TY  - BOOK
AU  - Twardowski, Kasimir
AU  - Twardowski,Kasimir
TI  - On the Content and Object of Presentations:  A Psychological Investigation
SN  - 9024719267   
U1  - N80 
PY  - 1977///
CY  - London
PB  - Martinus Nijhoff
N1  - includes index and biblioraphy
ER  -