000 002910000a22001330004500
245 _aAn Approach to modem physics
100 _aAndrade, E.N. da C.
250 _a3rd ed.
260 _c1962
080 _a539
_bA6
650 _aPHYSICAL NATURE OF MATTER
041 _aEN
942 _cBK
999 _c93504
_d93504