I agree that this site is using cookies. You can find further informations here.
X
Merkliste 
 1 Ergebnisse 
 
1

CCITT recommendation X.25 as part of the ISO reference mode..:

Jacobsen, Tom ; Thisted, Peder
ACM SIGCOMM Computer Communication Review.  10 (1980)  1-2 - p. 48-55 , 1980
Link: https://dl.acm.org/doi/10.1145/1024834.1024837