TY  - GEN
AU  - BLACK, UYLESS.
TI  - FRAME RELAY NETWORKS : : SPECIFICATIONS AND  IMPLEMENTATIONS/ 
SN  - 0-07-005558-0
U1  - 004.66 B53 
PY  - 1994///
CY  - NEW YORK: 
PB  - MCGRAW-HILL
KW  - 1.INFORMACION - SISTEMA DE TRANSMISION
KW  - 2.RELEVADORES ELECTRICOS
N1  - INCLUYE INDICE
ER  -