Etiqueta de registo: 00679c 02200217 04500
001 2049177
003 http://id.bnportugal.gov.pt/bib/porbase/2049177
005 20030422061200.0
035 ## $111059
095 ## $aPTBN00115333
100 ## $a19880211 m 0pora0103 ba
101 0# $aeng
102 ## $aUS
200 1# $aEstimates of economies of scale in telecommunications$fJohn J. Keating
210 ## $aAnn Arbor$c[s.n.],$d1988
215 ## $a177 p.$d22 cm
328 ## $aDissert. "Degree of Doctor of Doctor Philosophy", Temple University Graduate Board
675 ## $a338$vBN$zpor$3288030
700 #1 $aKeating,$bJohn J.$3329186
801 #0 $aPT$bBN$gRPC
977 ## $1BGUM 338$2coop$4UMSD$6mq179523$7bc$8coop$9UMSD$b41470/EG$k0
998 ## $aUMSD5 - 00184