TY  - BOOK
AU  - Copi, Irving M.
TI  - Study guide: inroduction to logic
SN  - 0-02-38130-5
AV  - FASS BC 108 .C66  
PY  - 1986///
CY  - New York
PB  - Macmillan publishing company
KW  - Logic
ER  -