000 00397nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a537.5 A5
100 _a"Alfrey, G F"
245 0 _aPhysical Electronics
250 _a\\196400ENGGPSX
260 _aD Van Nostrand
260 _b1964
260 _cPrinceton
300 _a220p
500 _aincludes index and biblioraphy
942 _cBK
999 _c30105
_d30105