TY  - BOOK
AU  - Duggal,SK
TI  - Surveying vol 1
T2  - Civil engineering series
SN  - 9789353167509
AV  - TA625 .D866 2019
PY  - 2019///
CY  - Chennai, India
PB  -  McGraw hHll
KW  - Surveying
N1  - Includes index
ER  -