TY  - BOOK
AU  - U.S.D. of Agriculture,soil survey division staff
TI  - Soil survey manual, Rev. ed
SN  - 9788172336004
U1  - 631.47 S131S 
PY  - 2015///
CY  - Jodhpur
PB  - Scientific publishers (India)
KW  - Manual-soil survey
KW  - Agriculture
ER  -