TY  - BOOK
AU  - Ouspensky,Petr Demianovich
TI  - Tertium organum: the third canon of thought, a key to the enigmas of the world 
SN  - 0-7100-0843-0
U1  - 197 21E
PY  - 1982///
CY  - London
PB  - Routledge and Kegan Paul
ER  -