TY  - BOOK
AU  - 07272288Nussbaumer, Henri.
TI  - Computer communication systems: vol 1
SN  - 9780471923794
AV  - TK 5105.5 nus1990
PY  - 1990///
CY  - New York
PB  - John Wiley & Sons
N1  - Includes bibliographical references and index
ER  -