TY  - BOOK
AU  - Duggal,S.K.
TI  - Surveying : : volume 1 / 
SN  - 9781259028991
U1  - 526.9 
PY  - 2013///
CY  - New Delhi : 
PB  - Tata McGraw Hill
KW  - Surveying
N1  - Includes bibliographical references and index
ER  -