planned by the Committee on Publication and Communication of the International Union of Psychological Science and prepared by the Zentralstelle für Psychologische Information und Dokumentation at the University of Trier, West Germany ; editors, Eugene H. Jacobson, Günther Reinert, with the assistance of Detlef Herrig
devised and edited by Malcolm Hulke ; editorial assistant, Ann Walker ; alternative medicine adviser, John Newton; medical adviser, Philip Hopkins ; directory compiled by Robert Reginald