TY  - BOOK
AU  - Barry Vincent E.
TI  - Practical logic
SN  - 0030568368 (hbk)
U1  - R1, M0-;1 
PY  - 1980///
CY  - New York
PB  - Holt, Rinehart and Winston U.S.A    
KW  - PHILOSOPHY
ER  -