TY  - BOOK
AU  - Basak, N.N
TI  - Surveying and Levelling
SN  - 978-0-07-460399-4
U1  - 526.9 
PY  - 2011///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Mathametical Geography
KW  - Surveying
KW  - Levelling
ER  -