Soil and water conservation news
Código CCN: 073171-4
ISSN (Online): 0199-9060 |
البلد: Não informado |
الناشر: U.S. Department of Agriculture, Soil Conservation Service |
Imprenta:
Washington:
U.S. Department of Agriculture, Soil Conservation Service,
1980
|
Área de numeração: Vol. 1, No. 1 (ABR. 1980)- |
مواد مشابهة: Soil and water conservation news |