TY  - BOOK
AU  - Raghavan,V.
ED  - Indian Institute of Culture
TI  - Yantras or mechanical contrivances in ancient India
U1  - 509.54 
PY  - 1952///
CY  - Bangalore
PB  - Indian Institute of Culture
KW  - Yantras
KW  - Mechanical engineering
ER  -