@misc{schwarz_symplexkompositmembranen__1993, 
author={Schwarz, H.-H.},
title={Symplex-Kompositmembranen},
year={1993},
howpublished = {conference lecture: Aachen (D);},
note = {Schwarz, H.: Symplex-Kompositmembranen. Aachener Membran Kolloquium. Aachen (D), 1993.}}