TY  - BOOK
AU  - Penrose Roger
TI  - Collected works
SN  - 978-0-19-921944-5
U1  - 530 
PY  - 2011///
CY  - Oxford
PB  - OUP
KW  - Mathematical logic
KW  - Mathematical physics
KW  - Physics-philosophy
KW  - Symbolic logic
N1  - V1: 1953-1967
ER  -