Insecticide Studies: I, Pyrethrum Powders Containing Poisonous Metals; II, a Compilation of Analyses of Insecticides and Fungicides; III, State Laws ... and Sale Insecticides (Classic Reprint) - Couverture rigide

Haywood, J. K.

 
9780265984826: Insecticide Studies: I, Pyrethrum Powders Containing Poisonous Metals; II, a Compilation of Analyses of Insecticides and Fungicides; III, State Laws ... and Sale Insecticides (Classic Reprint)

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