sponsored by the Commission of the European Communities, as advised by the Committee on Medical and Public Health Research ; edited by A. Roucoux and M. CrommelinckW. Junk Publishers for the Commission of the European Communities1982
sponsored by the Commission of the European Communities, Directorate-General for Agriculture, Co-ordination of Agricultural Research ; edited by A. Schäfer-MenuhrM. Nijhoff /Dr W. Junk Publishers for the Commission of the European Communities1985
sponsored by the Commission of the European Communities, Directorate-General for Agriculture and Directorate-General for Research, Science and Education ; edited by J.C. BroganMartinus Nijhoff/Dr. W. Junk Publishers for the Commission of the European Communities1981