by N. I. Bukharin ...[et al.]. by C. M. Purin ...[et al.]. by N. S. Chamberlin ...[et al.]. by J. J. Bulmer ...[et al.]. by V. K. Zworykin ...[et al.]. by L. S. Pontryagin ...[et al.]. by A. J. Panshin ...[et al.]. by H. B. Osborn ...[et al.]. by M. Plotkin ...[et al.]. edited by A. I. Oparin ...[et al.].