Quantum gravity and cosmology :  proceedings of the XXII GIFT International Seminar on Theoretical Physics, Sant Feliudu Guixols, Catalonia, Spain, 3-8 June 1991 / 
 Theoretical Physics 
editors, Juan Perez-Mercader, Joan Sola, Enric Verdaguer 
 - Singapore :  World Scientific ;  1992 
 - 196 p.  ;  24 cm. 
<br/><br/><label>ISBN: </label>9810208510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum gravity--Congresses<br/>Cosmology--Congresses