00599     2200217   4500001002100000005001500021035002000036008004100056245003100097100001400128260005300142300002800195084002300223082001700246650001800263650002700281650002200308650002000330650001500350990001600365INLIS00000000004090120231004114456  a0010-0119005814231004                c          0 eng  1 aCommunications /cIan Rohr  aROHR, Ian  aGlebe, New SOuth Wales :bBlake Education,c2007  a32 p. :bill. ;c25 cm.  a316.77:087.5 ROH c  a316.77:087.5 4aCOMMUNICATION 4aCOMMUNICATION CHANNELS 4aTELECOMMUNICATION 4aINFRASTRUCTURES 4aFACILITIES  a335/BA/2014