No. 20985. Cooperative agreement between Secretaría de Agricultura y Recursos Hidráulicos de México, Dirección General de Sanidad Vegetal, and United States Department of Agriculture, Animal and Health Inspection Service, Plant Protection and Quarantine Programs. Signed at Washington and Mexico City on 17 August 1978
2000 ◽
2016 ◽
1939 ◽
Vol 23
(254)
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pp. 225-226
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