000 00289nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
245 1 0 _aSelected readings on telecommunications
264 1 _aManila
_bTech., Risk and Development Found.
_c1990
300 _aXIV.; ILL.; 156P.; 23CM
942 _cBK
999 _c17766
_d17766