TY  - BOOK
AU  - Parkinson Claire L
AU  - `
ED  - `
TI  - Break throughs :  A chronology of great achievements in science and mathematics 1200-1930
U1  - Av.N30<-G00, M5 
PY  - 1985///
CY  - London
PB  - Mansell        
KW  - SCIENCE
ER  -