000 00260nam a2200097 4500
245 _aElectronic devise
_cThomas L. Floyd
100 _aFloyd, Thomas L..
260 _aNew York
_bMerrill Publishing
_cc1991
300 _axiv,834p. ; ill.; 26cm.
082 _a621.3
_bFLO
999 _c61555
_d61555