1. Soil survey: perspectives and strategies for the 21st century: an international workshop for heads of national soil survey organizations, November 1992, Enschede
Author: edited by J. Alfred Zinck
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Congresses ، Soil surveys
Classification :
S
592
.
14
.
S65
1995
