McGee,c Dennis
Plant pathogens and the worldwide movement of seeds - USA APS Press 1997 - 109
089054185X
Seed industry and trade
Seed-borne phytopathogens
631.551/MCG
Plant pathogens and the worldwide movement of seeds - USA APS Press 1997 - 109
089054185X
Seed industry and trade
Seed-borne phytopathogens
631.551/MCG