TY  - BOOK
AU  - Duggal, S K
TI  - Surveying 
U1  - 526.9 
PY  - 2009///
CY  - NEWDELHI
PB  - Tata McGraw hill eduactions private limited
KW  - fundamental concepts
KW  - chain
KW  - tapes
N1  - index
ER  -