TY  - BOOK
AU  - Sivananda
TI  - Essence of principal upanishads
U1  - 294.592 18 
PY  - 1997///
CY  - Shivanandanagar
PB  - The Divine Life Society
KW  - Upanishad
KW  - Vedic Literature
KW  - Hinduism
KW  - Religion
ER  -