返回Google圖書搜尋

The Citrus Blackfly in Asia, and the Importation of Its Natural Enemies Into Tropical America, by Curtis-P. Clausen ... and Paul-A. Berry ...

出版	U.S. Government Printing Office, 1932
URL	http://books.google.com.hk/books?id=NiyPXwAACAAJ&hl=&source=gbs_api