Cone and seed insects of North American conifers
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Main Authors: | Hedlin, A.F., Forest Service, Washington, DC (USA) eng, Yates, H.O. III, Tovar, D.C., Ebel, B.H., Koerber, T.W., Secretaria de Agricultura y Recursos Hidraulicos, Mexico City (Mexico). Direccion General de Economia Agricola spa, Canadian Forestry Service, Ottawa, Ontario (Canada) eng |
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Format: | Texto biblioteca |
Language: | |
Published: |
Ottawa, Ont. (Canada) Environment Canada, CFS
1980
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Subjects: | PEST INSECTS, CONIFERALES, MECHANICAL DAMAGE, ANIMAL MORPHOLOGY, BEHAVIOUR, SEED, ANATOMIE ANIMALE, COMPORTEMENT, SEMENCE, INSECTE NUISIBLE, CONIFERALE, DEGAT MECANIQUE, ANATOMIA ANIMAL, COMPORTAMIENTO, SEMILLAS, INSECTOS DANINOS, DANOS MECANICOS, |
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