TY  - BOOK
AU  - Mehndiratta,Varun
AU  - 
TI  - The path finders: world's great scientists and inventors 
SN  - 9788190554619
U1  - 509.22 23rd ed.
PY  - 2007///
CY  - Panchkula
PB  - Delhi book bureau
KW  - Scientists
KW  - Biography
KW  - Inventors
ER  -