TY  - BOOK
AU  - Dold A
AU  -  Eckmann B
TI  - ISIlC logic confrence : Proceedings of the international summer institute and logic colloquium keil 1974
T2  - Lecture notes in mathematics
U1  - R14, L5 
PY  - 1975///
CY  - New York  
PB  -  Springer-Verlag      
ER  -