TY - GEN AU - Frison, E.A.; Feliu, E. TI - FAO/IBPGR technical guidelines for the safe movement of Cassava germplasm U1 - 333.953416 PY - 1991/// CY - s.l. PB - FAO/IBPGR KW - DISEASES FAO GERMPLASM GUIDELINES IBPGR MANIHOT ESCULENTA MOVEMENT PATHOLOGY ER -