000 00328nam a2200133Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aY592:1.44
_bQ6
100 _aKumar,B.B,
245 0 _aIndia :
_cBy B.B.Kumar .
260 _aDelhi
_bConcept Publishing Company
_c2016
300 _axiv;537p.
942 _cTB
999 _c78232
_d78232