TY  - BOOK
AU  - M M RAI
TI  - Principles of soil science
SN  - 0333924681
AV  - S591 .H33
U1  - 631.4 RAI 1977 
PY  - 1963///]
CY  - Bombay
PB  - Orient Longmans
KW  - Soil science
N1  - Bibliography: p. [413]-421
ER  -