TY  - BOOK
AU  - Patel,C.B..
TI  - Dynamic history of nals / 
SN  - 8185094276
U1  - 934.07 
PY  - 1990///
CY  - calcutta : 
PB  - Punthi pustak , 
KW  - HISTORY
N1  - Includes bibliography and Index
ER  -