TY  - BOOK
AU  - Heleemans Alexander
AU  -  Bunch Bryan
TI  - Timetables of science :  A chronology of the most important people and events in the history of science by    
U1  - Avk, C6M9  ( RR) 
PY  - 1989///
CY  - London
PB  - Sidgwick      
KW  - SCIENCE
ER  -