IOBC-WPRS Commission "IP-Guidelines and Endorsement". Guidelines for Integrated Production of Pome Fruits in Europe IOBC Technical Guideline III 3rd Edition, 2002. Edited by J. V. Cross ISBN 92-9067-145-4 [iv + 45 pp.]
IOBC-WPRS Commission "IP-Guidelines and Endorsement". Guidelines for Integrated Production of Pome Fruits in Europe IOBC Technical Guideline III 3rd Edition, 2002. Edited by J. V. Cross ISBN 92-9067-145-4 [iv + 45 pp.]