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MLA

Dowden, Philip B. (Philip Berry). "Parasites of the Birch Leaf-mining Sawfly (phyllotoma Nemorata)." , p.. Print

APA

Dowden, P. B. (Philip Berry). (1941). Parasites of the birch leaf-mining sawfly (Phyllotoma nemorata).

Chicago

Dowden, Philip B. (Philip Berry) "Parasites of the birch leaf-mining sawfly (Phyllotoma nemorata)" (0000): p..