00788nam a2200217Ia 45000010005000000080041000050200018000460400013000640820018000771000021000952450096001162600042002123000011002545460007002656500041002727000035003139420007003489990015003559520100003709520100004706312140320s9999    xx            000 0 und d  a0-07-114430-7  cPK-LaUMT  a 004.6bKES-I  aKessler, Gary C.  aISDN : concepts, facilities, and servicescKessler, Gary C.<>Southwick, Peter V., Jt. Auth.  aNew Delhi,India:bMcGraw-Hill,c1997.  a672 p.  aEN  aIntegrated services digital networks  aSouthwick, Peter V., Jt. Auth.  cBK  c7906d7906  00102ddc4070a01b01d2014-03-20l0o 004.6 KES-Ip6871r2014-03-20 00:00:00w2014-03-20yBK  00102ddc4070a01b01d2014-06-02l0o004.6 KES-Ip15639r2014-06-02 00:00:00w2014-06-02yBK