TY  - BOOK
AU  - Chattopadhyaya,Debiprasad .
TI  - History of science and technology in ancient india : the beginnings / 
U1  - 509 
PY  - 1986///
CY  - Calcutta : 
PB  - Firma K L Mukhopadhyaya , 
KW  - SCIENCE AND TECHNOLOGY - HISTORY
N1  - Includes bibliographical references and index
ER  -