TY  - BOOK
AU  - Stremler Ferrel G
TI  - Introduction to communication systems
T2  - Addison-Wesley Series in Electrical Engineering. ed by David K Cheng etc
U1  - Y:393:(B), L7 
PY  - 1977///
CY  - Massachusetts
PB  - Addison Wesley         
KW  - Social Communication
N1  - Appendix P 503-52
ER  -