TY  - BOOK
AU  - Patterson, Richard
AU  - Patterson,Richard
TI  - Aristotle`s Modal Logic:  Essence and Entailment in the Organon
SN  - 052145168X   
U1  - N59 
PY  - 1995///
CY  - New York
PB  - Cambridge University
N1  - includes index and biblioraphy
ER  -