TY  - BOOK
AU  - Kalpage,F.S.C.P.
TI  - Tropical soils: classification, fertility and management 
U1  - 631.440913 
PY  - 1974///
CY  - London
PB  - Macmillan
KW  - Soils
KW  - Tropics
N1  - Includes bibliographical references and index
ER  -