Wiilam H. Yeaton, Ingram Olkin, Larry V. Hendges, Robert Rosenthal, PAUL M. WORTMAN, Richard McCleary, B. Mullen • 1987

PAUL M. WORTMAN, Fred B. Bryant • 1985

David S. Cordray, PAUL M. WORTMAN, Robert F. Boruch, Jack S. Rowe • 1983