F. Iachello and I. Talmi

Rev. Mod. Phys. 59, 339 (1987) - Published 1 April, 1987

L. M. B. C. Campos

Rev. Mod. Phys. 59, 363 (1987) - Published 1 April, 1987

J. F. Owens

Rev. Mod. Phys. 59, 465 (1987) - Published 1 April, 1987

John N. Bahcall

Rev. Mod. Phys. 59, 505 (1987) - Published 1 April, 1987