TY  - GEN
AU  - Greenland D J, Lal R
TI  - Soil conservation and management in the humid tropics
SN  - 0471  99473  1
U1  - 631.  491  3 GRE 
CY  - Chichester, John wiley & sons
KW  - Soil conservation-tropics-congresses/soil erosion-tropics-congresses
ER  -