TY  - GEN
AU  - Mishra ,Vinod Kumar 
TI  - Vishwa ke pracheen vaigyanik
SN  - 9788189573645
U1  - 920.71 
PY  - 0000///New Delhi
CY  - 2018.
PB  - Prabhat publication
KW  - Scientists in ancient times
ER  -