Euclidean quantum gravity 
Edited by G. W. Gibbons and S. W. Hawking 
 - Singapore  World Scientific  1993 
 - 586 p. ; 25 cm. 
<br/><br/><label>ISBN: </label>9810205155 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum gravity