000			00361nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a697288838
041			_aen
082			_a302.234
100			_aGross, Lynne Schafer.
245		0	_aTelecommunications
250			_a6th
260			_aNew York _bMc Graw Hill _c1997
300			_axx, 443 p.
942			_cLL
999			_c14674 _d14674