The Insect pest survey bulletin.v.19:no.9:suppl.(1939:Nov.15)
- 卷册: v.19:no.9:suppl.(1939:Nov.15)
- 作者: United States. Bureau of Entomology and Plant Quarantine.; United States. Bureau of Entomology.
- 出版: [Washington, D.C.] :Bureau of Entomology, U.S. Dept. of Agriculture,1921-
- 语言: ENG
- 分类: QL1 .I56
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来源:
BHL
https://www.biodiversitylibrary.org/item/198447
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