000 00291nam a2200121Ia 4500
008 160710s1957 xx 000 0 und d
082 _aCOD
100 _aCODLING,NORMAN H
245 _aTHE ELECTRICAL JOURNAL
260 _bA MCGRAW HILL PUBLICATION
_c1957
300 _a916
942 _2ddc
_cB
999 _c31249
_d31249