TY  - BOOK
AU  - Kracht,M.,Ed.,De Rijke,M. Ed.,
AU  - Wansing, H., Ed.
AU  - Zakharyaschev, M., Ed.
TI  - Modal Logic, Advances in-; Vol. 1
SN  - 1 57586 102 X
CY  - USA
KW  - Modality (Logic) - Congresses
ER  -