C. Oleff, Proaktives Management von Anforderungsänderungen in der Entwicklung komplexer technischer Systeme, vol. 406. Paderborn: LibreCat University, 2022.
LibreCat: /record/34174
DOI: 10.17619/UNIPB/1-1600

I. Gräßler and C. Oleff, Systems Engineering - verstehen und industriell umsetzen. Berlin: Springer Verlag, 2022.
LibreCat: /record/34397

I. Gräßler, C. Oleff, M. Hieb, and D. Preuß, “Automated Requirement Dependency Analysis for Complex Technical Systems,”10.1017/pds.2022.189__Proceedings of the Design Society, vol. 2, pp. 1865–1874, 2022, doi:10.1017/pds.2022.189 .
LibreCat: /record/31791
DOI: 10.1017/pds.2022.189

I. Gräßler, D. Wiechel, and C. Oleff, “Extended RFLP for complex technical systems,” presented at the 8th IEEE International Symposium on Systems Engineering, Wien, 2022.
LibreCat: /record/33889

I. Gräßler, C. Oleff, and D. Preuß, “Proactive Management of Requirement Changes in the Development of Complex Technical Systems,”10.3390/app12041874__Applied Sciences, vol. 12, no. 4, Art. no. 1874, 2022, doi:10.3390/app12041874 .
LibreCat: /record/30213
DOI: 10.3390/app12041874

I. Gräßler, D. Wiechel, A.-S. Koch, D. Preuß, and C. Oleff, “Model-Based Effect-Chain Analysis for Complex Systems,”10.1017/pds.2022.191__Proceedings of the Design Society, vol. 2, pp. 1885–1894, 2022, doi:10.1017/pds.2022.191 .
LibreCat: /record/31647
DOI: 10.1017/pds.2022.191

B. Menninger et al., “Modeling and analysis of functional variance of complex technical systems,”10.35199/dfx2022.15__2022, doi:10.35199/dfx2022.15 .
LibreCat: /record/33888
DOI: 10.35199/dfx2022.15

I. Gräßler, C. Oleff, and P. Scholle, “Strategisch-technische Anforderungsanalyse,” in Mehrzieloptimierte und durchgängig automatisierte Bauteilentwicklung für Additive Fertigungsverfahren im Produktentstehungsprozess, 1st ed., R. Koch, I. Gräßler, D. Zimmer, and T. Tröster, Eds. Düren: Shaker, 2021, pp. 31–49.
LibreCat: /record/26995

I. Gräßler, C. Oleff, and D. Preuß, “Holistic change propagation and impact analysis in requirements management,” Strathclyde/Glasgow, 2021.
LibreCat: /record/24017

I. Gräßler, J. Pottebaum, C. Oleff, and D. Preuß, “Handling of explicit Uncertainty in Requirements Change Management,”10.1017/pds.2021.430__Proceedings of the Design Society, vol. 1, pp. 1687–1696, 2021, doi:10.1017/pds.2021.430 .
LibreCat: /record/24037
DOI: 10.1017/pds.2021.430

I. Gräßler, D. Preuß, and C. Oleff, “Automatisierte Identifikation und Charakterisierung von Anforderungsabhängigkeiten – Literaturstudie zum Vergleich von Lösungsansätzen,” in Proceedings of the 31st Symposium Design for X (D); 16. - 18. Sep. 2020, 2020, pp. 199–208.
LibreCat: /record/23505
DOI: 10.35199/dfx2020.21

I. Gräßler, C. Oleff, and P. Scholle, “Method for Systematic Assessment of Requirement Change Risk in Industrial Practice,” Applied Sciences 23/2020 (23), p. 8697, 2020.
LibreCat: /record/23529

P.-P. Ley et al., “A METHODICAL APPROACH TO INTEGRATED PRODUCT DEVELOPMENT IN TOTAL HIP ARTHROPLASTY,”10.1017/dsd.2020.271__Proceedings of the Design Society: DESIGN Conference, vol. 1, pp. 2009–2018, 2020, doi:10.1017/dsd.2020.271 .
LibreCat: /record/23437
DOI: 10.1017/dsd.2020.271

I. Gräßler and C. Oleff, “Risikoorientierte Analyse und Handhabung von Anforderungsänderungen,” in Design fox X - Beiträge zum 30. DfX-Symposium September 2019, Band 30, Jesteburg, 18. - 19. Sep. 2019, 2019, vol. 30, pp. 49–60.
LibreCat: /record/23700
DOI: 10.35199/dfx2019.5

LibreCat: /record/23717

I. Gräßler, C. Oleff, and P. Taplick, “Augmented Reality für die Vermittlung von Systems Engineering,” in Fachtagung Mechatronik 2019 Paderborn, 2019, pp. 180–185.
LibreCat: /record/23718

I. Gräßler, H. Thiele, C. Oleff, P. Scholle, and V. Schulze, “Method for Analysing Requirement Change Propagation based on a Modified Pagerank Algorithm,”10.1017/dsi.2019.375__Proceedings of the Design Society: International Conference on Engineering Design, vol. 1, no. 1, pp. 3681–3690, 2019, doi:10.1017/dsi.2019.375 .
LibreCat: /record/23705
DOI: 10.1017/dsi.2019.375

I. Gräßler, C. Oleff, and J. Hentze, “Role Model for Systems Engineering Application,”10.1017/dsi.2019.132__Proceedings of the Design Society: International Conference on Engineering Design, vol. 1, no. 1, pp. 1265–1274, 2019, doi:10.1017/dsi.2019.132 .
LibreCat: /record/23704
DOI: 10.1017/dsi.2019.132

I. Gräßler, C. Oleff, and P. Scholle, “Methode zur Bewertung von Anforderungsänderungen additiv gefertigter Produkte,” in Design for X - Beiträge zum 29. DfX-Symposium, Band 29, 2018, vol. 29, pp. 333–344.
LibreCat: /record/23536

I. Gräßler, J. Hentze, and C. Oleff, “Systems Engineering Competencies in Academic Education,” in  13th System of Systems Engineering Conference (SoSE), Paris, France, 19. - 22. Jun. 2018, 2018, pp. 542–547.
LibreCat: /record/23540
DOI: 10.1109/SYSOSE.2018.8428741