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Attractants for the Flying Gipsy Moths as an Aid in Locating New Infestations, by C.W. Collins ... and S.F. Potts ...
S. F. Potts
出版
U.S. Government Printing Office
, 1932
URL
http://books.google.com.hk/books?id=9VxZygAACAAJ&hl=&source=gbs_api