TY  - BOOK
AU  - Rai, M. M.
TI  - Principles of soil science
SN  - 0333900960
U1  - 631.4 22
PY  - 1977///
CY  - Delhi
PB  - MacMillan India Limited
KW  - Soil science
KW  - Soil chemistry
N1  - Include index
ER  -