TY  - BOOK
AU  - SURAJ JOHN 
AU  - Dr.M.SUBRAMONIA IYER
TI  - CHARACTERISATION OF THE GRAVELS IN THE MAJOR SOIL SERIES OF TRIVANDRUM DISTRICT 
U1  - E N96 SU 113 
PY  - 1996///
CY  - COLLEGE OF AGRICULTURE VELLAYANI 
PB  - DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 
ER  -