1. British Ecological Society, 18th Symposium, Bangor, 1976. Origins of pest, parasite, disease and wrrd problems: the 18th Symposium of the British Ecological Society, Bangor, 12-14 April 1976
Author: Edited by J.M. Cherrett and G.R. Sagar
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Disease and Pests - Congresses ، Field crops,Congrasses ، Weeds
Classification :
SB
599
.
B7
1976
