@bookOleff_2022, place=Paderborn, series=Verlagsschriftenreihe des Heinz Nixdorf Instituts, title=Proaktives Management von Anforderungsänderungen in der Entwicklung komplexer technischer Systeme, volume=406, DOI=10.17619/UNIPB/1-1600, publisher=LibreCat University, author=Oleff, Christian, year=2022, collection=Verlagsschriftenreihe des Heinz Nixdorf Instituts 
LibreCat: /record/34174
DOI: 10.17619/UNIPB/1-1600

@bookGräßler_Oleff_2022, place=Berlin, title=Systems Engineering - verstehen und industriell umsetzen, publisher=Springer Verlag, author=Gräßler, Iris and Oleff, Christian, year=2022 
LibreCat: /record/34397

@articleGräßler_Oleff_Hieb_Preuß_2022, title=Automated Requirement Dependency Analysis for Complex Technical Systems, volume=2, DOI=10.1017/pds.2022.189, journal=Proceedings of the Design Society, publisher=Cambridge University Press (CUP), author=Gräßler, Iris and Oleff, Christian and Hieb, Michael and Preuß, Daniel, year=2022, pages=1865–1874 
LibreCat: /record/31791
DOI: 10.1017/pds.2022.189

@inproceedingsGräßler_Wiechel_Oleff_2022, place=Wien, title=Extended RFLP for complex technical systems, author=Gräßler, Iris and Wiechel, Dominik and Oleff, Christian, year=2022 
LibreCat: /record/33889

@articleGräßler_Oleff_Preuß_2022, title=Proactive Management of Requirement Changes in the Development of Complex Technical Systems, volume=12, DOI=10.3390/app12041874, number=41874, journal=Applied Sciences, publisher=MDPI AG, author=Gräßler, Iris and Oleff, Christian and Preuß, Daniel, year=2022 
LibreCat: /record/30213
DOI: 10.3390/app12041874

@articleGräßler_Wiechel_Koch_Preuß_Oleff_2022, title=Model-Based Effect-Chain Analysis for Complex Systems, volume=2, DOI=10.1017/pds.2022.191, journal=Proceedings of the Design Society, publisher=Cambridge University Press (CUP), author=Gräßler, Iris and Wiechel, Dominik and Koch, Anna-Sophie and Preuß, Daniel and Oleff, Christian, year=2022, pages=1885–1894 
LibreCat: /record/31647
DOI: 10.1017/pds.2022.191

@inproceedingsMenninger_Wiechel_Rackow_Höpfner_Oleff_Berroth_Gräßler_Jacobs_2022, title=Modeling and analysis of functional variance of complex technical systems, DOI=10.35199/dfx2022.15, booktitle=DS 119: Proceedings of the 33rd Symposium Design for X (D), publisher=The Design Society, author=Menninger, Bastian and Wiechel, Dominik and Rackow, Sascha and Höpfner, Gregor and Oleff, Christian and Berroth, Joerg and Gräßler, Iris and Jacobs, Georg, year=2022 
LibreCat: /record/33888
DOI: 10.35199/dfx2022.15

@inbookGräßler_Oleff_Scholle_2021, place=Düren, edition=1, title=Strategisch-technische Anforderungsanalyse, booktitle=Mehrzieloptimierte und durchgängig automatisierte Bauteilentwicklung für Additive Fertigungsverfahren im Produktentstehungsprozess, publisher=Shaker, author=Gräßler, Iris and Oleff, Christian and Scholle, Philipp, editor=Koch, Rainer and Gräßler, Iris and Zimmer, Detmar and Tröster, Thomas, year=2021, pages=31–49 
LibreCat: /record/26995

@inproceedingsGräßler_Oleff_Preuß_2021, title=Holistic change propagation and impact analysis in requirements management, author=Gräßler, Iris and Oleff, Christian and Preuß, Daniel, editor=Wagner, Beverly and Wilson, Juliette, year=2021 
LibreCat: /record/24017

@articleGräßler_Pottebaum_Oleff_Preuß_2021, title=Handling of explicit Uncertainty in Requirements Change Management, volume=1, DOI=10.1017/pds.2021.430, journal=Proceedings of the Design Society, author=Gräßler, Iris and Pottebaum, Jens and Oleff, Christian and Preuß, Daniel, year=2021, pages=1687–1696 
LibreCat: /record/24037
DOI: 10.1017/pds.2021.430

@inproceedingsGräßler_Preuß_Oleff_2020, title=Automatisierte Identifikation und Charakterisierung von Anforderungsabhängigkeiten – Literaturstudie zum Vergleich von Lösungsansätzen, DOI=10.35199/dfx2020.21, booktitle=Proceedings of the 31st Symposium Design for X (D); 16. - 18. Sep. 2020, author=Gräßler, Iris and Preuß, Daniel and Oleff, Christian, editor=Krause, Dieter and Paetzold, Kristin and Wartzack, Sandro and Design SocietyEditors, year=2020, pages=199–208 
LibreCat: /record/23505
DOI: 10.35199/dfx2020.21

@articleGräßler_Oleff_Scholle_2020, title=Method for Systematic Assessment of Requirement Change Risk in Industrial Practice, journal=Applied Sciences 23/2020 (23), author=Gräßler, Iris and Oleff, Christian and Scholle, Philipp, year=2020, pages=8697 
LibreCat: /record/23529

@articleLey_Wirths_Oleff_Jungreitmayr_Vajna_Paetzold_Borg_2020, title=A METHODICAL APPROACH TO INTEGRATED PRODUCT DEVELOPMENT IN TOTAL HIP ARTHROPLASTY, volume=1, DOI=10.1017/dsd.2020.271, journal=Proceedings of the Design Society: DESIGN Conference, publisher=Cambridge University Press, author=Ley, P.-P. and Wirths, L. and Oleff, Christian and Jungreitmayr, F. and Vajna, S. and Paetzold, K. and Borg, J. C., year=2020, pages=2009–2018 
LibreCat: /record/23437
DOI: 10.1017/dsd.2020.271

@inproceedingsGräßler_Oleff_2019, title=Risikoorientierte Analyse und Handhabung von Anforderungsänderungen, volume=30, DOI=10.35199/dfx2019.5, booktitle=Design fox X - Beiträge zum 30. DfX-Symposium September 2019, Band 30, author=Gräßler, Iris and Oleff, Christian, editor=Krause, Dieter and Paetzold, Kristin and Wartzack, SandroEditors, year=2019, pages=49–60 
LibreCat: /record/23700
DOI: 10.35199/dfx2019.5

LibreCat: /record/23717

@inproceedingsGräßler_Oleff_Taplick_2019, title=Augmented Reality für die Vermittlung von Systems Engineering, booktitle=Fachtagung Mechatronik 2019 Paderborn, author=Gräßler, Iris and Oleff, Christian and Taplick, Patrick, editor=Bertram, Torsten and Corves, Burkhard and Gräßler, Iris and Janschek, KlausEditors, year=2019, pages=180–185 
LibreCat: /record/23718

@articleGräßler_Thiele_Oleff_Scholle_Schulze_2019, title=Method for Analysing Requirement Change Propagation based on a Modified Pagerank Algorithm, volume=1, DOI=10.1017/dsi.2019.375, number=1, journal=Proceedings of the Design Society: International Conference on Engineering Design, publisher=Cambride University Press, author=Gräßler, Iris and Thiele, Henrik and Oleff, Christian and Scholle, Philipp and Schulze, Veronika, year=2019, pages=3681–3690 
LibreCat: /record/23705
DOI: 10.1017/dsi.2019.375

@articleGräßler_Oleff_Hentze_2019, title=Role Model for Systems Engineering Application, volume=1, DOI=10.1017/dsi.2019.132, number=1, journal=Proceedings of the Design Society: International Conference on Engineering Design, publisher=Cambride University Press, author=Gräßler, Iris and Oleff, Christian and Hentze, Julian, year=2019, pages=1265–1274 
LibreCat: /record/23704
DOI: 10.1017/dsi.2019.132

@inproceedingsGräßler_Oleff_Scholle_2018, title=Methode zur Bewertung von Anforderungsänderungen additiv gefertigter Produkte, volume=29, booktitle=Design for X - Beiträge zum 29. DfX-Symposium, Band 29, author=Gräßler, Iris and Oleff, Christian and Scholle, Philipp, editor=Krause, Dieter and Paetzold, Kristin and Wartzack, SandroEditors, year=2018, pages=333–344 
LibreCat: /record/23536

@inproceedingsGräßler_Hentze_Oleff_2018, title=Systems Engineering Competencies in Academic Education, DOI=10.1109/SYSOSE.2018.8428741, booktitle= 13th System of Systems Engineering Conference (SoSE), publisher=IEEE, author=Gräßler, Iris and Hentze, Julian and Oleff, Christian, year=2018, pages=542–547 
LibreCat: /record/23540
DOI: 10.1109/SYSOSE.2018.8428741

@inproceedingsGräßler_Scholle_Hentze_Oleff_2018, title=Semi-Automatized Assessment of Requirement Interrelations, DOI=10.21278/idc.2018.0298, booktitle=Proceedings of the DESIGN 2018 15th International Design Conference, author=Gräßler, Iris and Scholle, Philipp and Hentze, Julian and Oleff, Christian, editor=Marjanovic, Dorian and Storga, Mario and Pavkovic, Neven and Bojcetic, Nenad and Skec, StankoEditors, year=2018, pages=325–334 
LibreCat: /record/23542
DOI: 10.21278/idc.2018.0298