TY  - GEN
AU  - Parkinson,Claire L.
TI  - Breakthroughs : : chronology of great achievements in science and mathematics 
SN  - 072011800X
U1  - 509 
PY  - 1985///
CY  - London
PB  - Mansell
KW  - Science-History
N1  - HB
ER  -