00506nam a2200181Ia 4500008004100000020001800041082000800059100002600067245002200093250000600115260003300121300001600154500002400170650001600194942000700210952009000217999001700307230524s9999    xx            000 0 und d  a9788126509294  bBEL  aJohn C.Bellamy942633 0aDigital Telephony  a3  aNew DelhibWiley Indiac2011  a"XVI,635p;"  aQuantity Number:  1  aElectronics  cBK  00104070aTATCLbTATCLcGENd2023-05-24l0o BELp54028r2023-05-24w2023-05-24yBK  c57646d57646