TY  - BOOK
AU  - Duggal,S.K.
TI  - Surveying
SN  - 0074620894
U1  - 526.9 22
PY  - 1996///.[Reprinted 2000]
CY  - New Delhi.
PB  - Tata Mcgraw-Hill
KW  - Surveying
N1  - Includes index
ER  -