1. FAO
Author: Unesco carte mondiale des sols
Library: Central Library and Information Center of Birjand University (South Khorasan)
Subject: ، Soils- World- Maps
Classification :
G
3201
.
J3
1961
2. World soil resources reports
Author:
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Maps ، Soils,، World maps,Classification ، Soils
Classification :
S
591
.
W875
