IOBC-WPRS Commission "IP-Guidelines and Endorsement". Guidelines for Integrated Production of Pome Fruits. IOBC Technical Guideline III. 4th Edition, 2008. Edited by C. Malavolta & J. Cross ISBN 978-92-9067-221-0 [viii + 13 pp.]
IOBC-WPRS Commission "IP-Guidelines and Endorsement". Guidelines for Integrated Production of Pome Fruits. IOBC Technical Guideline III. 4th Edition, 2008. Edited by C. Malavolta & J. Cross ISBN 978-92-9067-221-0 [viii + 13 pp.]