TY  - BOOK
AU  - Bryan Bunch
AU  -  Alexander Hellemans 
TI  - The timetables of science : A chronology of the most important people and events in the history of science
U1  - 720 
PY  - 1988///
CY  - New Delhi
PB  - Simon & Schuster
KW  - GENERAL ENGINEERING
ER  -