Descrutive Insect and Pest Act and Regulations Issued Thereunder [microform]
C. Gordon (Charles Gordon) . Hewitt, Canada Division of Entomology, Dominion Experimental Farms and Stati
Häftad
163 kr
Regulations Under the Destructive Insect and Pest Act, With Instructions to Importers and Exporters of Trees, Plants and Other Nursery Stock [microform]
AvC. Gordon (Charles Gordon) . Hewitt,Canada Division of Entomology
Häftad, Engelska, 2021
163 kr
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