000			00400nam a2200181Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c294.95
040			_aMAIN
041			_aEnglish
082			_a621.382 _bCAR
100			_aCarlson A. Bruce
245			_aCommunication systems
250			_a3rd ed.
260			_bMc Graw Hill _c1986
300			_a686p.
650			_aELECTRONICS
942			_cGB
999			_c574 _d574