Yuri S. Kivshar and Boris A. Malomed

Rev. Mod. Phys. 61, 763 (1989) - Published 1 October, 1989

E. H. Hauge and J. A. Støvneng

Rev. Mod. Phys. 61, 917 (1989) - Published 1 October, 1989

T. K. Kuo and James Pantaleone

Rev. Mod. Phys. 61, 937 (1989) - Published 1 October, 1989

Michael C. Mackey

Rev. Mod. Phys. 61, 981 (1989) - Published 1 October, 1989