000 00283nam a2200121Ia 4500
008 210212s9999 xx 000 0 und d
040 _crty
100 _aDhingra,Ishwar and Garg,V.K.
245 0 _aSamashtigat arthik siddhant
260 _aNew Delhi
300 _a2006
942 _cBB
999 _c15107
_d15107