000 00363nam a22001217a 4500
020 _aNA
082 _222
_a621,3
100 _ashepherd J,morton AH and Spence L F.
245 _aHigher electrical engineering /
260 _aSir isssc pitman and sons ltd, london,
_bSir isssc pitman and sons ltd, london,
_cc1964.
300 _a566p,;
_bNA
_c24cm.
942 _2ddc
_cECE
999 _c968
_d968