00281nam a2200121Ia 4500008004100000100002500041245002100066250000600087260002700093260000900120300000800129650002200137221231s9999    xx            000 0 und d  aValkenburg, Van. M E 0aNetwork Analysis  a3  bPrentice-Hall of India  c2008  a571  aTelecommunication