000 00511 a2200253 4500
001 109694
020 _a3
041 _aeng
080 _a621.317.312 Can
245 _aMeasurement of alternating-current energy
250 _a
260 _aNew York
260 _bMcGraw-Hill Book,
260 _c1940
300 _aix,210 p.
300 _c20 cm
490 _a
100 _aCanfield, Donald T..
700 _a
650 _a
650 _aElectric current, Alternating
942 _cBK
942 _2UDC
999 _c122274
_d122274