TY  - BOOK
AU  - Dietzgen,Joseph
AU  - Untermann,Ernst
AU  - Dietzgen,Eugen
AU  - Pannekoek,Anton
AU  - Dietzgen,Joseph
TI  - The positive outcome of philosophy: the nature of human brain work, letters on logic, the positive outcome of philosophy 
PY  - 1906///
CY  - Chicago
PB  - Charles H. Kerr & co
KW  - Philosophy
KW  - Knowledge, Theory of
KW  - Logic
ER  -