000 00271nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _a372.35
_bKUL
100 _aKulshrestha,S.P
245 0 _aVigyan Shikshan
260 _bR.Lall book
_c2014
300 _a612
942 _cBD
999 _c3726
_d3726