TY  - BOOK
ED  - American society of civil engineers                                                                                                                                                                                                                            . 
TI  - Engineering surveying manuel 
SN  - 81  85046  46  8
U1  - 028.72624 
PY  - 1986///
CY  - Jodhpur : 
PB  - Scientific Publishers , 
ER  -