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 | ||