000 00296nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aGopal R
245 0 _aProblems And Solutions In Communication Systems
260 _bCbs Publishers
_c2007
300 _a268
650 _aPhysics
942 _cBK
999 _c34292
_d34292