1. Aquatic pests on irrigation systems: identification guide
Author: Otto, Norman E
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Aquatic pests,، Irrigation water
Classification :
QH
96
.
O88
1980
2. Aquatic pests on irrigation systems: identification guide
Author: / by N. E. Otto and T. R. Bartley. Illustrated by D. W. Cunningham
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Aquatic pests,Irrigation water
Classification :
QH96
.
O88
1980
