TY  - BOOK
AU  - Piparaiya, Ram K.  .
TI  - Ten upanishads of four vedas / 
SN  - 81-7822-159-4
U1  - R65-6893,O 
PY  - 2003///
CY  - New Delhi : 
PB  - New Age Books , 
KW  - Philosophy
ER  -