01296nam a2200337 i 450099100086570970753620020507102510.0970307s1991 us ||| | eng 0817634436b10140530-39ule_instLE00638211ExLDip.to Fisicaita53.1.453.1.553.1.52530.1'42QC178.C63Ashtekar, Abhay45589Conceptual problems of quantum gravity :based on the Proceedings of the 1988 Osgood Hill Conference, North Andover, Massachusetts 15-19 May 1988 /edited by A. Ashtekar and John StachelBirkhäuser :Boston Technical Publ.,c1991xiii, 602 p. :ill. ;25 cm.Einstein Studies / Don Howard and John Stachel ;2Includes index and bibliographical references.AstrophysicsCongressesStachel, John J..b1014053017-02-1727-06-02991000865709707536LE006 53.1.5 HOW12006000072366le006-E0.00-l- 01010.i1016679827-06-02Conceptual problems of quantum gravity186638UNISALENTOle00601-01-97ma -engus 01