TY  - BOOK
AU  - Pimentel,David
TI  - World soil erosion and conservation / 
T2  - Cambridge studies in applied ecology and resource management, 
SN  - 0521419670
U1  - 631.45 
PY  - 1993///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - SOIL EROSION
KW  - SOIL CONSERVATION
N1  - NULL
ER  -