00345pam a2200121 a 4500020002400000041000500024082001200029100002900041245009600070250001100166260003800177300000800215  a978-81-203-1483-2c  h  a621.382  aSchoenbeck  R J eAuthor  aElectronic Communications Modulation and TransmissioncSchoenbeck  R J hTextual Documents   a2nd ED  bPHI Learning PVT. Ltd. Pub.c2015  a645