Published Date: 11/01/1988

PROCEDIMIENTOS LÓGICOS PARA EL INTERFUNCIONAMIENTO DEL SISTEMA DE SEÑALIZACIÓN N.° 7 (PUT) HACIA EL N.° 5

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Published Date: 10/01/2008

Bridging the standardization gap between developing and developed countries

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Published Date: 01/01/1993

MULTIPLEX NUMÉRIQUE DU QUATRIÈME ORDRE À 139 264 kbit/s UTILISANT LA JUSTIFICATION POSITIVE/NULLE/NÉGATIVE

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Published Date: 1957

$28.5

Published Date: 2015

$88.5

Published Date: 1981

$15

Published Date: 1969

$45

Published Date: 1964

$28.5

Published Date: 1980

$13.5

ITU-T G.421 FRENCH PDF

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