Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Villarreal Martinez, S. 1957. Control de plagas forestales en el Estado de Durango [Control of forest epidemics in Durango State]. Mensajero Forestal Durango Nr. 158:10-19, 159:11-19 (1957), 160:11-19(1958).
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