Patrick A. Lee and T. V. Ramakrishnan

Rev. Mod. Phys. 57, 287 (1985) - Published 1 April, 1985

S. Olariu and I. Iovitzu Popescu

Rev. Mod. Phys. 57, 339 (1985) - Published 1 April, 1985

A. Atkinson

Rev. Mod. Phys. 57, 437 (1985) - Published 1 April, 1985

Giovanni Gallavotti

Rev. Mod. Phys. 57, 471 (1985) - Published 1 April, 1985

M. M. Block and R. N. Cahn

Rev. Mod. Phys. 57, 563 (1985) - Published 1 April, 1985