TY  - BOOK
AU  - KIRK G S
AU  -  RAVEN J E
TI  - Presacratic philosophies :  A critical history with a selection of texts   
U1  - B:(R), K5/SC 
PY  - 1957///
CY  - Cambridge
PB  - Cambridge university press        
N1  - Bibliography :P.446-450
ER  -