TY  - BOOK
AU  - Isham C J Ed.
AU  -  Penrose R Ed.
AU  -  Sciama D W Ed.
TI  - Quantum gravity: An oxford symposium
U1  - CN, L5 
PY  - 1975///
CY  - Oxford
PB  - Clarerdon Press        
KW  -  Quantum gravity Theory
KW  - Quantum gravity Theory
ER  -