@misc{blackwell_xray_analysis_1991, 
author={Blackwell, J., Hofmann, D., Schneider, A. I.},
title={X-ray analysis and molecular modeling of the structure of thermotropic copolyesters and copolyester carbonates},
year={1991},
howpublished = {conference lecture: Berlin (D);},
note = {Blackwell, J.; Hofmann, D.; Schneider, A.: X-ray analysis and molecular modeling of the structure of thermotropic copolyesters and copolyester carbonates. 4. Berliner Polymertage. Berlin (D), 1991.}}