000 00303nam a2200121Ia 4500
008 220314s9999||||xx |||||||||||||| ||und||
080 _a539
100 _aSaxena, A K
245 0 _aPrinciples of modern physics
260 _bNarosa Publishing Co., Madras
_c1958
650 _aModern physics
942 _cBOOK
999 _c7817
_d7817