000 00315nam a2200133Ia 4500
008 210901s1970 xx 000 0 eng d
082 _a537.56 FAR
100 _aFarago, P.S.
245 0 _aFree-electron physics
260 _aEngland
_bPenguin Books
_c1970
300 _a269
650 _aPhysics
942 _2ddc
_cBK
999 _c17972
_d17972