00326nam a22001097a 4500020001700000082002200017245007500039260003500114300002600149650002300175700001800198  a978130903094  a658.4038  bHEL/H  aHandbook of communications systems management/cedited by Gilbert Held  aNew Delhi:bViva books,c2006.  aVarying pages;b20cm.  aSystems Management  aHeld, Gilbert