Etiqueta de registo: 00551cam 22002051 450
001 1899834
003 http://id.bnportugal.gov.pt/bib/porbase/1899834
005 20030511060300.0
010 ## $a92-61-03681-3
035 ## $377378
095 ## $aPTBN00402542
100 ## $a19900117d1989 k y0pory0103 ba
101 0# $aeng
102 ## $aCH
200 1# $aData communication networks
210 ## $aGeneva$cITU,$d1989
215 ## $aIX, 473 p.
675 ## $a621.39$vBN$zpor$3291148
710 02 $aInternational Telecommunication Union$3141029
801 #0 $aPT$bBN$gRPC
977 ## $1ET-01-119.2$2coop$4UAVSD$6mq610565$7bc$8coop$9UAVSD$b55290$k0
998 ## $aUAVS8-339