000 00308nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aAndrada E N Da C
245 3 _aAn Appraoch To Modern Physics
260 _bThe English Language Book Society
_c1956
300 _a257 p
650 _aPhysics
942 _cBK
999 _c32724
_d32724