TY  - BOOK
AU  - Pierce, John R.
AU  - Posner, Edward C.
TI  - Introduction to communication science and systems
SN  - 9780306404924
U1  - 621.38 
PY  - 1987///
CY  - Delhi
PB  - Khanna Pub.
KW  - Information Science
N2  - 1993-08-04
ER  -