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008210330e197310  onca    ob   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn---
0861 |aCo24-3/9-7-1973E-PDF
1001 |aKeefer, T. A. J., |eauthor.
24510|aForecasting intra-provincial voice circuit requirements / |cby T.A.J. Keefer, Needs and Environmental Research Group.
264 1|a[Ottawa] : |b[Communications Research Centre], |cOctober 1973.
300 |a1 online resource (15 pages, 17 unnumbered pages) : |billustrations.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aDLDCNS report ; |vno. 7
500 |aAt head of title: Domestic long-distance communication network study, communication systems engineering.
500 |aImperfect copy: tables 4-7 wanting.
500 |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada].
500 |aSome pages rotated in this copy.
504 |aIncludes bibliographical references.
516 |aElectronic monograph in PDF format.
530 |aIssued also in printed form.
650 0|aTelecommunication systems|zCanada.
650 0|aTelecommunication|xSwitching systems.
650 6|aSystèmes de télécommunications|zCanada.
650 6|aTélécommunications|xSystèmes de commutation.
7102 |aCommunications Research Centre (Canada), |eissuing body.
830#0|aDLDCNS report ;|vno. 7.|w(CaOODSP)9.882842
85640|qPDF|s2.23 MB|uhttps://publications.gc.ca/collections/collection_2021/isde-ised/co24/Co24-3-9-7-1973-eng.pdf