TY  - BOOK
AU  - DUGGAL S.K.
TI  - SURVEYING VOL-2 3RD ED
PY  - 2009///
CY  - NEW DELHI
PB  - TATA MCGEAW HALL , PUBLISHING CP- LTD, 43/7 WEST PATELI NAGAR NEW DELHI 111 0008
KW  - SURVEYING AND LEVELLING
ER  -