B. N. TAYLOR, W. H. PARKER, and D. N. LANGENBERG
Rev. Mod. Phys. 41, 375 (1969) - Published 1 July, 1969
L. M. DELVES and A. C. PHILLIPS
Rev. Mod. Phys. 41, 497 (1969) - Published 1 July, 1969
S. GASIOROWICZ and D. A. GEFFEN
Rev. Mod. Phys. 41, 531 (1969) - Published 1 July, 1969
B. L. MOISEIWITSCH and S. J. SMITH
Rev. Mod. Phys. 41, 574 (1969) - Published 1 July, 1969