000 00280 a2200121 4500
080 _bCHA
082 _a530
100 _aChattopadhyan; Deepanwita
245 _aEssential physics
260 _c1995
_bNew Delhi, Learners press
_g1995
300 _bill
_c17
_a176, ill, 17
942 _cSR
999 _c3347
_d3347