1. ......................
Author: H. Haendler und H.-J. Friede(
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Information services - Congresses ، Agriculture,Agriculture - Congresses ، Information storage and retrieval systems
Classification :
S
494
.
5
.
I47
E97
1978
