TY  - BOOK
ED  - National Soil services centre, Simtokha
TI  - Soil survey handbook for Bhutan/ (Acc: D 1259)
U1  - 631.4 NSC 
PY  - 2003///
CY  - Simtokha, Bhutan
PB  - National Soil services centre, Simtokha, 
ER  -