1. Bull GV. On the impact of pellets with thin plates: theoretical considerations—part 1. Report no. 63270-03-01, Arthur D. Little, Inc., January 1962.
2. Friend WH, Millar DAJ, Murphy CL. On the impact of pellets with thin plates: theoretical considerations—part 2. Report no. 65008-05-03, Arthur D. Little, Inc., October 1963.
3. Bull GV, Murphy CL, Zwarts F, Friend WH. Review of hypervelocity impact studies at McGill University. McGill University Report no. 63-15, December 1963.
4. Zwarts FJ. The initial one-dimensional expansion of the shocked states generated by the impact of cylindrical pellets with thin plates. NASA CR-54209, January 1965.
5. Murphy CL. An integral model for the similar expansion of a gas cloud into a vacuum. NASA CR-54412, January 1966.