000			00323nam a2200145Ia 4500
100			_aBellamy, John C
020			_a0-471-34571-7
250			_a3rd ed
654			_aENGINEERING
942			_cBK
245			_aDigital telephony
260			_aJohn Wiley & Sons, New York _c2000
082			_a621.385 Bel
300			_axxv,643
999			_c28320 _d28320