R. Craig

发表

R. M. Elliott, R. Craig, G. A. Errock, 1961 .

R. Bateman, D. Millington, B. Green, 1979, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.

J. Craggs, J. D. Craggs, R. Craig, 1953 .

J. Craggs, R. Craig, 1954, Nature.