TY  - BOOK
AU  - Punmia, B. C.
AU  - Jain, Ashok Kumar
TI  - Surveying
U1  - 526.9 
PY  - 1991///
CY  - New Delhi
PB  - Laxmi
KW  - Astronomy
KW  - Surveying
KW  - Trigonometrical levelling
ER  -