TY  - BOOK
AU  - Thiel,Christian
ED  - D. Reidel 
TI  - Sense and reference in Frege's logic
U1  - 160 23
PY  - 1968///.
CY  - Dordrecht: 
PB  - D. Reidel, 
KW  - Frege, Gottlob,
KW  - Logic
N1  - Includes bibliography p. 162-169 and index
ER  -