@articleAndries_Engels_Habel_Hoffmann_Kreowski_Kuske_Plump_Schürr_Taentzer_1999, title=Graph Transformation for Specification and Programming, volume=34, DOI=http://dx.doi.org/10.1016/S0167-6423(98)00023-9, number=1, journal=Science of Computer Programming, author=Andries, Marc and Engels, Gregor and Habel, Annegret and Hoffmann, Berthold and Kreowski, Hans-Jörg and Kuske, Sabine and Plump, Detlef and Schürr, Andy and Taentzer, Gabriele, year=1999, pages=1–54 

@bookEhrig_Engels_Kreowski_Rozenberg_1999, place=River Edge, NJ, USA, title=Handbook of Graph Grammars and Computing by Graph Transformation: Vol. 2: Applications, Languages, and Tools, publisher=World Scientific Publishing Co., Inc., author=Ehrig, Hartmut and Engels, Gregor and Kreowski, Hans Jörg and Rozenberg, Grzegorz, year=1999 

@inbookHeckel_Engels_Ehrig_Taentzer_1999, place=Singapore, title=A View-based Approach to System Modeling Based on Open Graph Transformation Systems, booktitle=Handbook of Graph Grammars and Computing by Graph Transformations, Volume 2: Applications, Languages and Tools, publisher=World Scientific, author=Heckel, Reiko and Engels, Gregor and Ehrig, Hartmut and Taentzer, Gabriele, year=1999, pages=639–668 

@inbookHeckel_Engels_Ehrig_Taentzer_1999, place=Singapore, title=Classification and Comparison of Module Concepts for Graph Transformation Systems, volume=2, booktitle=Handbook of Graph Grammars and Computing by Graph Transformations, Volume 2: Applications, Languages and Tools, publisher=World Scientific, author=Heckel, Reiko and Engels, Gregor and Ehrig, Hartmut and Taentzer, Gabriele, year=1999, pages=669–689 

@bookEggert_1999, place=Wiesbaden, title=Kundenbindung aus Kundensicht: Konzeptualisierung, Operationalisierung, Verhaltenswirksamkeit, publisher=Gabler, year=1999 

@articleEshlaghi_Meier_Suter_Reuter_Wieck_1999, title=Depth profile of the implantation-enhanced intermixing of Ga+ focused ion beam in AlAs/GaAs quantum wells, volume=86, DOI=10.1063/1.371720, number=11, journal=Journal of Applied Physics, publisher=AIP Publishing, author=Eshlaghi, Soheyla and Meier, Cedrik and Suter, Dieter and Reuter, D. and Wieck, A. D., year=1999, pages=6605–6607 

@inbookKremer_1999, place=Opladen, title=Realisierung fächer- und lernortübergreifender Ausbildungskonzepte, booktitle=Lehren und Lernen in der Aus- und Weiterbildung, author=Kremer, H.-Hugo, editor=Sloane, P.F.E. and Bader, R. and Straka, G.Editors, year=1999 

@articleKremer_Sloane_1999, title=Lernfelder - Motor didaktischer Innovationen, number=26, journal=Kölner Zeitschrift für Wirtschaft und Pädagogik, author=Kremer, H.-Hugo and Sloane, Peter F. E., year=1999, pages=37–60 

@articleKremer_1999, title=Can students act? Explorative Studie zum Erfolg fächer- und lernortübergreifender Maßnahmen, number=27, journal=Kölner Zeitschrift für Wirtschaft und Pädagogik, author=Kremer, H.-Hugo, year=1999, pages=93–110 

@inbookKremer_Wilbers_1999, place=Gütersloh, title=Das virtuelle Seminar “Wirtschaftspädagogik Köln-München”, booktitle=Virtus, virtuelle Universitätssysteme Köln: Jahresbericht 1998/1999, author=Kremer, H.-Hugo and Wilbers, K., editor=Bertelsmann StiftungEditor, year=1999, pages=93–99 

@articleKremer_Sloane_1999, title=Der implizite Lerner in multimedialen Lernarrangements, number=25, journal=Kölner Zeitschrift für Wirtschaft und Pädagogik, author=Kremer, H.-Hugo and Sloane, Peter F. E., year=1999, pages=117–144 

@inproceedingsKarl_1999, title=Towards Quality of Service for Parallel Computing: An Overview of the MILAN Project, DOI=10.1007/BFb0100644, booktitle=High-Performance Computing and Networking, 7th International Conference, HPCN Europe 1999, Amsterdam, The Netherlands, April 12-14, 1999, Proceedings, author=Karl, Holger, year=1999, pages=841--850 

@inproceedingsKarl_1999, title=Coscheduling through Synchronized Scheduling Servers -- A Prototype and Experiments, DOI=10.1007/BFb0097997, booktitle=Parallel and Distributed Processing, 11 IPPS/SPDP’99 Workshops Held in Conjunction with the 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing, San Juan, Puerto Rico, USA, April 12-16, 1999, Proceedings, author=Karl, Holger, year=1999, pages=1115--1129 

@inproceedingsPopp_Sextro_1999, place=Heidelberg, title=Schwingungsanalyse von vorgespannten Schaufeln mit Deckplatten im Schaufelkranz, number=504, booktitle=Forschungsvereinigung Verbrennungskraftmaschinen (FW) -lnformationstagung Turbinen, author=Popp, Karl and Sextro, Walter, year=1999, pages=21–38 

@inproceedingsSextro_1999, title=Experimental verification of a non-Hertzian contact model, booktitle=International conference on computational methods in contact mechanics, author=Sextro, Walter, year=1999, pages=181–190 

@inproceedingsSextro_1999, place=Las Vegas, Nevada, USA, title=Forced Vibration of Elastic Structures with Friction Contacts, number=DET/VIB-8180, booktitle=ASME Design Engineering Technical Conferences, author=Sextro, Walter, year=1999, pages=1–10 

@articleSextro_Popp_1999, title=Ein ebenes Reibkontaktmodell zur Berechnung von Schaufelschwingungen mit Reibelementen, volume=79, journal=Zeitschrift für angewandte Mathematik und Mechanik (ZAMM), author=Sextro, Walter and Popp, Karl, year=1999, pages=311–312 

@inproceedingsSextro_Popp_1999, place=Frankfurt am Main, Germany, title=Schwingungsanalyse von vorgespannten Schaufeln mit Deckplatten im Schaufelkranz, number=686, booktitle=Forschungsvereinigung Verbrennungskraftmaschinen (FW), author=Sextro, Walter and Popp, Karl, year=1999, pages=56 

@articleFesting_Groening_Kabst_1999, title=Financial Participation in Europe: Determinants and Outcomes, volume=20, number=2, journal=Economic and Industrial Democracy., author=Festing, M and Groening, Y and Kabst, Rüdiger, year=1999, pages=295–329 

@inproceedingsBendfeld_Bettenwort_Ortjohann_Voss_1999, title=Layout for a wind-power-driven, reverse osmosis installation for desalting brackish water in operation on an island, booktitle=Proceedings of the 1999 European Wind Energy Conference, 1-5 March 1999 Nice, France, -978, author=Bendfeld, Jörg and Bettenwort, Gerd and Ortjohann, Egon and Voss, Jürgen , year=1999