TY  - BOOK
AU  - Wolfram,Sybil
TI  - Philosophical logic: an introduction 
SN  - 0415023173 (hard)
AV  - BC71 .W65 1989
U1  - 160 
PY  - 1989///
CY  - London, New York
PB  - Routledge
KW  - Logic
N1  - Includes index
UR  - http://www.loc.gov/catdir/enhancements/fy0648/88023963-d.html
ER  -