000 00284nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aVillamor, Ronnie B.
245 1 0 _aElectronic communications eng'g. reviewer /
_cRonnie B. Villamor
264 1 _bCebu City: HR Pub.
_c1999
942 _cBK
999 _c20633
_d20633