@misc{dogan_creep_crack_1991, 
author={Dogan, B., Saxena, A., Schwalbe, K.-H.},
title={Creep crack growth in brittle materials},
year={1991},
howpublished = {conference lecture: NPL-Teddington (GB);},
note = {Dogan, B.; Saxena, A.; Schwalbe, K.: Creep crack growth in brittle materials. Versailles project on advanced materials and standards: VAMAS Meeting. NPL-Teddington (GB), 1991.}}