开放图书详细信息
U.S. Government Printing Office contributed to BHL
Aquatic pests on irrigation systems : identification guide / by N. E. Otto, T. R. Bartley and J. S. Thullen ; illustrated by D. W. Cunningham and J. M. Evans.
Otto, N. E.@@Bartley, T. R.@@Cunningham, D. W.@@Evans, J. M.@@Thullen, J. S.
keywords: Irrigation water;    Aquatic pests;   
Subject:植物学
美国
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