TY  - BOOK
AU  - Seymour,Richard D.
AU  - Cloghessy,Florence A.
AU  - Ritz,John M
TI  - Exploring communications
SN  - 0870065394
PY  - 1987///
CY  - South Holland, Ill.
PB  - Goodheart-Willcox
KW  - Communication
N1  - Includes index
ER  -