000 00282 a2200121 4500
082 _a621.3
_bG798e2
245 1 _aEXAMPLE IN ELECTRICAL CALCULATIONS
250 _a2nd
260 _aLondon
_bH. M. S. O.
_c1952
650 _aElectric Engineering
964 _gCIRC
997 _a895 C
999 _c451856
_d451856