title | ISBN-13 (ISBN-10) | year of publication | |
---|---|---|---|
Public Data Networks: From Separate Pdns to the Isdn | 978-0-387-19580-3 (0-387-19580-7) | 1991 | |
Public Data Networks: From Separate Pdns To The Isdn: From Separate PDNs to the Integrated Services Digital Networks | 978-3-540-19580-1 (3-540-19580-7) | 1991 |