@misc{appel_characterization_of_1991, 
author={Appel, F., Bartsch, M., Messerschmidt, U.},
title={Characterization of engineering ceramics by electron microscopy},
year={1991},
howpublished = {conference lecture: Bombay (IND);},
note = {Appel, F.; Bartsch, M.; Messerschmidt, U.: Characterization of engineering ceramics by electron microscopy. In: Granguly, C.; Roy, S.; Roy, P. (Ed.): Advanced Ceramics: Proceedings of the International Symposium on Advanced Ceramics. Bombay (IND). 1991. 391.}}