TY  - BOOK
AU  - Burlaeus,Gualterus
AU  - Boehner,Philotheus
TI  - De puritate artis logicae tractatus longior: with a revised edition of the Tractatus brevior 
T2  - Franciscan Institute publications. Text series
PY  - 1955///
CY  - St. Bonaventure (N.Y.)
PB  - Franciscan Institute
KW  - Logica
KW  - Medioevo
KW  - sbaa
ER  -