TY  - BOOK
AU  - Penrose, Roger
TI  - Shadows of the mind : a search for the missing science of consciousness
SN  - 0198539789
U1  - 001.535 
PY  - 1994///
CY  - Oxford
PB  -  Oxford University Press
KW  - Thought and Thinking
KW  - Godel's Theorem
KW  - Quantum Theory
ER  -