000 002630000a22001210004500
245 _aCircuits
100 _aLurch, E.Norman
260 _aNew York
_bJohn Wiley
_c1963
300 _axiii, 564p. : ill.
080 _a621.3.01
_bL8
041 _aEN
942 _cBK
999 _c52572
_d52572