00597nam a2200205Ia 4500003000400000005001700004008004100021040002100062041000800083082002300091100002900114245007500143260002200218260000900240264004500249300002400294650003400318650002300352650001600375AIT20260605171127.0221231s9999    xx            000 0 und d  aATRIAbeng cAIT  aeng  a004.6 MADqAIT222  aJain, Madhulika eAuthor 0aData communication and networking /cby Madhulika Jain and Satish Jain  bB P B Publication  c200034aNew Delhi :bBPB Publications, c©2000.  aXX, Page Variations  aElectronics and Communication  aData communication  aNetworking