TY  - BOOK
AU  - by Debiprasad Chattopadhyaya
TI  - Histroy of science & technology in ancient India
SN  - 81720199885593
U1  - 500.09 CHA 
PY  - 1991///
CY  - Calcutta
PB  - Firma KLM pvt.Ltd.
N1  - Includes bibliographical references
ER  -