TY  - BOOK
AU  - Armstrong,D. M.
TI  - A COMBINATORIAL THEORY OF POSSIBILITY
SN  - 0521377803
U1  - 146.5 
PY  - 1989///
CY  - 
PB  - Cambridge Univ. Press, Cambridge
KW  - Possibility
KW  - Logical Atomism
ER  -