00628nam a2200193Ia 4500003000400000005001700004008004100021040002000062041000800082082002000090100001900110245012600129264005900255300001600314650003400330650002600364650002300390650002100413AIT20260514112332.0221231s9999    xx            000 0 und d  aATRIAbengcAIT  aeng  a621.382 Das222  aDas J.eAuthor 0aReview of digital communication state of the art : bin digital signaling, digital swiching and data methods /cby Das J.34aNew Delhi :bNew Age International Pvt. Ltd.,c©1998.  aXVI, 629 p.  aElectronics and Communication  aDigital Communication  aDigital signaling   aDigital swiching