TY - BOOK AU - Hutchins, J. D. AU - Reeves, J. C. ED - International Seed Testing Asociation Plant Disease Committe Symposium TI - Seed health testing progress towards the 21st century SN - 0851991793 U1 - 631.521 PY - 1997/// CY - Wallingford, UK PB - CAB International KW - Semillas KW - Análisis KW - Normas de calidad ER -