by Hamilcar S. Alivisatos ...[et al.]. by Armen A. Alchian ...[et al.]. by William J. Williams ...[et al.]. by James A. Richards ...[et al.]. by H. S. Avery ...[et al.]. by Harlan J. Spjut ... [et al.]. by Harold Anson ...[et al.]. by William D. Alexander ...[et al.]. by Harold E. Helms ... [et al.]. by Beryl T. Atkins ... [et al.].