@misc{indiciaee85e31a2ad9b, title = {Three-Dimensional Gear Crack Propagation Studies}, author = {Lewicki, David G. and Sane, Ashok D. and Drago, Raymond J. and Wawrzynek, Paul A.}, year = {1998}, url = {https://ntrs.nasa.gov/citations/19990019392}, note = {Source identifier: 19990019392} }