TY  - BOOK
AU  - Emmert, Philip,
AU  - Donaghy, William C.,
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : elements and contexts 
SN  - 0201035979 (paperback)
SN  - 2
PY  - 1981///.;copyright 1981.46
CY  - Reading, Massachusetts
PB  - Addison-Wesley Publishing Company
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Communication
N1  - Includes bibliography and index; 5; Professional
ER  -