TY  - BOOK
AU  - Jenny Hans
TI  - Soil resources: origin and behavior
T2  - Ecological studies; 37
U1  - J:1:7, M0 
PY  - 1980///
CY  - New York    
PB  -  Springer-Verlag        
KW  -  Soil conservation
KW  - Agriculture
ER  -