ISBN 9783642846656 books & textbook
ISDN The Integrated Services Digital Network: Concept, Methods, Systems
Bocker, Peter Arndt, G. Frantzen, V. Fundneider, O. Hagenhaus, L. Rothamel, H.J. Schweizer, L.
Springer /2011-12-21 Paperback / 272 Pages
isbn-10: 3642846653 / isbn-13: 9783642846656
