TY  - BOOK
AU  - Basak, N.N
TI  - Surveying and levelling
SN  - 9780074603994
U1  - 526.9/BAS/S 
PY  - 1994///
CY  - New Delhi
PB  - Mcgraw-hill
KW  - Surveying
KW  - Leveling
KW  - Civil Engineering
KW  - Engineering
ER  -