TY  - BOOK
AU  - Harrah,David
TI  - Communication: a logical model 
AV  - BC 135 H296c 1963
PY  - 1963///
CY  - Massachusetts
PB  - Cambridge Univ. Press
KW  - Logic
KW  - Content analysis (Communication)
KW  - Information theory
KW  - Logica
KW  - larpcal
ER  -