000 00253nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD.D. Singhal & V.K. Mittal
245 0 _aAntrrastiea Vipano
260 _aN.Delhi
_bArya Publication
_c2004
942 _cBK
999 _c12083
_d12083