TY  - BOOK
AU  - Goldstein,Fred R.
TI  - ISDN in perspective
SN  - 0201500167
PY  - 1992///
CY  - Reading, Mass. : 
PB  - Addison-Wesley, 
KW  - Integrated services digital networks
N1  - Includes bibliographical references (p. 233-234) and index
ER  -