@misc{dogan_testing_and_1991, 
author={Dogan, B.},
title={Testing and properties of titanium alloys},
year={1991},
howpublished = {conference lecture: Kiew (UA);},
note = {Dogan, B.: Testing and properties of titanium alloys. Colloquium of the IMP-Ukrainian Academy of Science. Kiew (UA), 1991.}}