1. The determination of static and dynamic yield stresses using a steel ball;Davies;Proc. Roy. Soc. (London),1949
2. N. Hsu and R. B. Pond, The effect of metal properties on hypervelocity penetration, Progr. Rept. (BRL) No. 5, Contract No. DA 18–001-AMC-745 (X) (June 1966).
3. R. J. Eichelberger, Reexamination of the theories of jet formation and target penetration by lined cavity charges, CIT CEL Rept. No. 1 (June 1954).
4. Experimental test of the theory of penetration by multiple jets;Eichelberger;J. Appl. Phys.,1965
5. Explosives with lined cavities;Birkhoff;J. Appl. Phys.,1948