@misc{gregory_fatigue_crack_1994, 
author={Gregory, J. K.},
title={Fatigue crack propagation in titanium alloys},
year={1994},
howpublished = {book part,GKSS report},
note = {Online available at: \url{} (DOI). Gregory, J.: Fatigue crack propagation in titanium alloys. In: Carpinteri, A. (Ed.): Handbook of fatigue crack propagation in metallic structures. Amsterdam: Elsevier. 1994. 281-322.}}