Fifth Meeting of the International Study Group for Tryptophan Research, ISTRY, Cardiff, Wales, U.K., July 28-August 1, 1986 ; editors, D.A. Bender ... [et al.]De Gruyter1987
Fourth Meeting of the International Study Group for Tryptophan Research, ISTRY, Martinsried, Federal Republic of Germany, April 19-22, 1983 ; editors, H.G. Schlossberger ... [et al.]W. de Gruyter1984