000 00318nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aBemard Sklar
245 0 _aDigital Communications Fundamentals And Applications
260 _bPearson Education International
300 _a1103
650 _aPhysics
942 _cBK
999 _c34195
_d34195