TY  - BOOK
AU  - Williams,Richard A.
TI  - Communication systems analysis and design: a systems approach 
SN  - 0131537776
PY  - 1987///
CY  - Englewood Cliffs, N.J. : 
PB  - Prentice-Hall, 
KW  - Telecommunication systems
N1  - Includes index; Bibliography: p. 460-462
ER  -