1. Propagation of Cleavage Cracks in Crystals
2. Fall Meeting A.I.M.E. Chicago.
3. Gilman, J. J. and Johnston, W. G. 1957.Dislocations and Mechanical Properties of Crystals116 (Lake Placid Conference Report)
4. Gorum, A. E., Parker, E. R. and Pask, J. A. Paper presented at Fall Meeting. American Ceramic Society (Basic Science Div.).