000 00235nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aKennedy / Davis
245 0 _aELECTRONIC COMMUNICATIONS SYSTEMS
260 _bMc Graw Hill
260 _c2008
546 _aENGLISH
999 _c18841
_d18841