@misc{dogan_engineering_fracture_1995, 
author={Dogan, B.},
title={Engineering Fracture Mechanics (ME 583) – Graduate Course},
year={1995},
howpublished = {lecture: Middle East Technical University, Department of Mechanical Engineering;},
note = {Dogan, B.: Engineering Fracture Mechanics (ME 583) – Graduate Course. Middle East Technical University, Department of Mechanical Engineering, 1995.}}