TY  - BOOK
AU  - Beckenbach,Edwin F.
AU  - Tompkins,Charles Brown
TI  - Concepts of communication: interpersonal, intrapersonal and mathematical 
SN  - 0471061204 :
U1  - 006.082 
PY  - 1971///
CY  - New York
PB  - John Wiley
KW  - Communication
N1  - Includes bibliographical references and index
ER  -