TY  - BOOK
AU  - Basak, N. N.
TI  - Surveying and levelling
SN  - 9789332901537
U1  - 625.11 BAS 
PY  - 2016///
CY  - New Delhi
PB  - McGraw-Hill Education
KW  - Levelling
KW  - Surveying
ER  -