000 00251nam a22001097a 4500
003 OSt
008 230614b |||||||| |||| 00| 0 eng d
100 _aSinghal, L.Anuvadak
245 _aGati Vigyan
260 _bDelhi University
_c1965
942 _2ddc
_cBK
999 _c27829
_d27829