1. Bowden, F. P., and Yoffe, A. D., Fast Reactions in Solids (Butter-worths, 1958). See also Initiation and Growth of Explosion in Liquids and Solids (Cambridge University Press, 1952).
2. Bowden, F. P., and McAuslan, J., Nature, 178, 408 (1956).
3. Bowden, F. P., and Camp, M., Proc. Eighth Intern. Symp. on Combustion, California, 1960 (to be published).
4. Sawkill, J., Proc. Roy. Soc., A, 229, 135 (1955).
5. Camp, M., Proc. Fourth Intern. Cong. for Electron Microscopy, 1958 (Springer-Verlag, Berlin, 1960).