00411nam 2276528 450000100060000000300230000600500090002900800410003808200120007907200110009102000180010210000160012026000200013624500410015665000110019765000350020876528StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621.382 aSignal a81-219-0476-5 aAnokh Singh bS. CHAND c2013 aprinciples communication engineering aSignal aSwitched Communication Systems