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Abstracts of Foreign and Domestic Patents Relating to Derris, Lonchocarpus, Tephrosia, and Roténone

Ruric Creegan Roark

出版	USDA, Bureau of Entomology and Plant Quarantine, 1938
URL	http://books.google.com.hk/books?id=RCC3HAAACAAJ&hl=&source=gbs_api