TY  - BOOK
AU  - Rai, M.M
TI  - Principles of Soil Science
SN  - 0333924681
U1  - 631.4 
PY  - 1995///
CY  - Delhi
PB  - Macmillan and Co
KW  - Agriculture
KW  -  Specific techniques; apparatus, equipment, materials 
KW  - Soil Science
ER  -