1. Fracture arrest;Bluhm,1969
2. Fracture toughness of beryllium;Harris;J. Mater.,1968
3. H. L. Dunegan, Univ. of Calif., Lawrence Radiation Laboratory, Liver-more (unpublished).
4. Crack extension in transversely loaded elastic plates;Harris,1969
5. D. F. DeSante, Stanford Univ., Stanford, Calif, (unpublished).