TECHNICAL MANUAL
FAO Agricultural Services Bulletin 149

by
Gustavo V. Barbosa-Cánovas
Juan J. Fernández-Molina
Stella M. Alzamora
Maria S. Tapia
Aurelio López-Malo
Jorge Welti Chanes

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 2003

ISBN 92-5-104861-4
http://www.fao.org/DOCREP/005/Y4358E...0.htm#Contents