Natural-Control Factors Affecting the Spruce Budworm

Author: DOWDEN PHILIP B.   BUCHANAN W. D.   CAROLIN V. M.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.41, Iss.3, 1948-06, pp. : 457-464

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