TY  - BOOK
AU  - Rore E
AU  -  Cowell E B
AU  -  Mitra Raja Rajendralal
TI  - Twelve principal upanisads. 3V
T2  - N.P.Series.xviii
U1  - R65,0, L8.1-.3 
PY  - 1978///
CY  - Delhi
PB  - Nag Publishers      
ER  -