S. Ernst, D. Lindner, and J. Weitkamp. Vorträge der DGMK-Haupttagung 1990 vom 19. bis 21. September in Münster/W, 90,01, page 581-592. Hamburg, DGMK, (1990)
J. Weitkamp, D. Lindner, and S. Ernst. Veröffentlichung der Vorträge anlässlich des BMFT-Statusseminars "Katalyseforschung", Berlin, March 1, 1990, Projektträgerschaft Material- und Rohstofforschung, page 49-60. Jülich, Forschungszentrum, (1990)
J. Weitkamp, and S. Ernst. Guidelines for mastering the properties of molecular sieves : relationship between the physicochemical properties of zeolitic systems and their low dimensionality, 221, page 343-354. New York, Plenum Press, (1990)
S. Ernst, R. Kumar, and J. Weitkamp. Zeolite synthesis : developed from a symposium sponsored by the Division of Colloid and Surface Chemistry at the 196th National Meeting of the American Chemical Society, 398, page 560-573. Washington, DC, American Chemical Society, (1989)
S. Ernst, R. Kumar, and J. Weitkamp. Zeolites for the nineties : recent research reports presented during the 8th International Zeolite Conference, page 45-46. Amsterdam, (1989)
S. Ernst, C. Chen, D. Lindner, and J. Weitkamp. Zeolites for the nineties : recent research reports presented during the 8th International Zeolite Conference, page 55-56. Amsterdam, (1989)
S. Ernst, L. Puppe, and J. Weitkamp. Zeolites : facts, figures, future : proceedings of the 8th International Zeolite Conference, volume A of Studies in surface science and catalysis, page 447-458. Amsterdam, Elsevier, (1989)
J. Weitkamp, S. Ernst, and C. Chen. Zeolites : facts, figures, future : proceedings of the 8th International Zeolite Conference, volume B of Studies in surface science and catalysis, page 1115-1129. Amsterdam, Elsevier, (1989)
J. Grabscheid, K. Hirschmann, K. Kleinbach, and G. Lechner. Proceedings of the 1989 International Power Transmission and Gearing Conference : new technologies for power transmissions of the 90's, 2, page 511-518. New York, NY, The American Society of Mechanical Engineers, (1989)
S. Ernst, R. Kumar, and J. Weitkamp. Catalysis, concepts and applications : proceedings of the Ninth National Symposium on Catalysis, page OR 11-1-OR 11-11. New Delhi, Tata McGraw-Hill Pub. Co., (1989)
F. Jauch, and G. Lechner. Maschinen- und Anlagenüberwachung, Elemente der Antriebstechnik im System, neue Konzepte in der Antriebstechnik, page 295-308. Köln, Verl. TÜV Rheinland, (1989)