TY  - BOOK
AU  - Olson Gerald W
TI  - Soils and the environment
U1  - J:1:(G:55), M1 
PY  - 1981///
CY  - New York    
PB  -  Dowden Gulverinc       
KW  -  Soil
KW  - Agriculture
N1  - Bibliography 169-174p
ER  -