Soil and water conservation news
Código CCN: 073171-4
| ISSN (Online): 0199-9060 |
| 国: Não informado |
| 出版者: 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)- |
| 類似資料: Soil and water conservation news |