TY  - BOOK
AU  - Keirstead,Phillip O.
AU  - Keirstead,Sonia-Kay
TI  - The world of telecommunication : introduction to broadcasting, cable, and new technologies / by Phillip O. Keirstead, Sonya-Kay Keirstead
SN  - 0240800141
PY  - 1990///
CY  - Boston, Mass.
PB  - Focal Press
KW  - Broadcasting vocational guidance
ER  -