TY  - BOOK
AU  - Graaf,J.de
TI  - The price of soil erosion:  : an econom of soil conservation and watershed development
SN  - 9067544604
AV  - S625.G7 
PY  - 1996///
CY  - Wageningen
PB  - : Wageningen Agricultural University
KW  - Soil erosion,
KW  - Economic aspects,
KW  - Soil conservation,
KW  - Watershed management
N1  - Includes bibliographical references and index
ER  -