by Penn, William S.; Luck, David J.; Hollander, Stanley C.; Meissner, Frank; Aberle, John W.; Arnay, Oscar P.; Babione, Francis A.; Codner, Bernard; Cole, Robert H.; Dowd, Laurence P.; Eby, Frank; Fisk, George; Fox, Harold W.; Goldstucker, Jac L.; Gordon, Guy G.; Hindersman, Charles H.; Kahler, Ruel; King, Robert L.; Kushner, Dan; Leonhard, Dietrich L.; Mertes, John E.; Meyer, R. E.; Morgan, L. Robert; Nicosia, Francesco M.; Regan, William J.; Smith, G. C.; Spencer, Ulric M.; Thek, Robert R.; Wieland, John H.; Wheatley, John; Wolf, Alois F.; Wright, John S.
published in Journal of Marketing (1962)