000 00395nam a22001577a 4500
003 OSt
008 090616t xxu||||| |||| 00| 0 eng d
082 _a624:528.4
_bAGO
100 _aAgor ,R.
_97136
245 _aTextbook of surveying and levelling /8th ed.
250 _a8th ed
300 _axxi,968p.
653 _a624:528.4
942 _2ddc
_cBK
260 _aNew Delhi
_bkhanna Publishers
_c1997
999 _c335050
_d335050