TY  - BOOK
AU  - Ruzsa,Imre
TI  - Modal logic with descriptions
SN  - 9024724732
U1  - 160 
PY  - 1981///
CY  - The Hague, The Netherlands
PB  - Martinus Nijhoff
KW  - Modality (Logic)
N1  - Includes index
ER  -