TY  - BOOK
AU  - McDonald,John C.
TI  - Fundamentals of digital switching / 
SN  - 9780306433474 (hbk.)
U1  - 621.3815 
PY  - 1990///.
CY  - New York : 
PB  - Plenum Press, 
KW  - Telephone switching systems, Electronic
KW  - Digital electronics
N1  - Includes bibliographical references and index
ER  -