TY  - BOOK
AU  - Spangler,Mary Michael
AU  - Conway,Pierre Hyacinth
TI  - Logic: an Aristotelian approach 
SN  - 0819189677
PY  - 1993///
CY  - Lanham (Md.), New York, London
PB  - University Press of America
KW  - Aristoteles,
KW  - Logica
KW  - Manuali
KW  - sbaa
N1  - Indice
ER  -