000 00304nam a2200145Ia 4500
001 20575
008 240126s9999||||xx |||||||||||||| ||und||
082 _a530 PHY
245 0 _aPhysics: Modern physics
260 _aHyderabad
260 _bDr. BRAOU
260 _c1992
300 _a312p.
942 _cBK
999 _c20575
_d20575