00341nam a2200133Ia 4500008004100000020002200041100001400063245005200077250001100129260002800140260000900168300000800177650002200185221231s9999    xx            000 0 und d  a978-81-317-1537-6  aLathi B P 0aModern Digital and Analog Communication Systems  a3rd Ed  bOxford University Press  c2008  a781  aTelecommunication