TY  - BOOK
AU  - Armstrong, D. M
TI  - A combinatorial theory of possibility
SN  - 9780521377805
U1  - 146.5 ARM 
PY  - 1989///
CY  - Cambridge
PB  - Cambridge Univeristy Press
KW  - Logical atomism
KW  - Possibility
N1  - Includes bibliographical references
ER  -