TY  - BOOK
AU  - Gumpert,Gary
AU  - Cathcart,Robert
TI  - Inter / media: interpersonal communication in a media world 
SN  - 0195025059
PY  - 1979///
CY  - New York
PB  - Oxford University Press
KW  - Mass media
KW  - Interpersonal communication
N1  - Bibliography : p. 589-600
ER  -