TY  - BOOK
AU  - Heyer,Paul
AU  - Crowley,David
TI  - Communication in history: Technology, culture, society 
SN  - 0205693091 :
PY  - 2011///
CY  - Buston
PB  - Allyn & Bacon
KW  - Communication
KW  - History
KW  - Mass media
ER  -