000 00336nam a2200133Ia 4500
008 221001s2006 xx 000 0 eng d
020 _a8180544338
082 _a338.5 DHI (H)
100 _aDhingra, Ishwar
245 0 _aVyashtigat aarthik siddhant
260 _aNew Delhi
_bSultan Chand
_c2006
300 _axx, 504p
942 _2ddc
_cBK
999 _c30492
_d30492