Quantum theory of gravity  essays in honor of the 60th birthday of Bryce S. Dewitt 
edited by Steven M. Christensen 
 - Bristol  Adam Hilger  1984 
 - 483p. 26cm 
<br/><br/><label>ISBN: </label>0852747551 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum gravity--Addresses, essays, lectures.