Commission of the European Commission of the European Communities, Directorate General Scientific and Technical Information and Information Management, Dissemination of the Product of Research1975.<ND416-59>
sponsored by The Commission of the European Communities (CEC), Directorate-General for Agriculture, Coordination of Agricultural Research ; edited by H. Karg and E. SchallenbergerMartinus Nijhoff for The Commission of the European Commission of the European Communities1982