000 00304nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
082 _a530
100 _aCharta, CC & Kultar Singh
245 0 _aPolytechnic physics : applied
260 _bDelhi :S.k Kataria & Sons
_c1991
300 _a375
942 _2ddc
999 _c84869
_d84869