000 00253nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aRicha Aggarwal
245 0 _aVastunisth Ankganit
260 _aMeruth
_bArihant
_c2011
650 _aMath
942 _cBK
999 _c14067
_d14067