TY  - BOOK
AU  - Punmia B.C.
TI  - Surveying
SN  - 0000015922
U1  - 627.8 
PY  - 1989///
CY  - Madras
PB  - Laxmi Publication
KW  - Higher  S  Surveying  Units
KW  - Surveing
ER  -