TY  - BOOK
AU  - Raychaudhuri, S.P.
AU  - S.P. Raychaudhuri.
TI  -  Land and soil
U1  - 631.4 RAY 
PY  - 1966///
CY  - New Delhi
PB  -  : National Book Trust 
KW  - Land
KW  - Soil
ER  -