000 00295nam a22001217a 4500
082 _a526.9
_bAHM
100 _aAhmad, S
245 _aSoulation of Problems surveying and levelling.
260 _aLahore
_bNational Book Stall
300 _aviii, 402p. :
_bill, :
_c4 Cm
650 _aMCE
942 _cBK
999 _c4211
_d4211