000 00267nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aMangal, S.K.
245 0 _aBhothiki Evam Jeev Vighyan Shikshan
260 _aNew Delhi
_bABD
_c1989
300 _a311p.
942 _cBK
999 _c11420
_d11420