Conceptual problems of quantum gravity: based on the proceedings of the 1988 Osgood Hill Conference, North Andover, Massachusetts, 15-19 May 1988 /
Abhay Ashtekar, John Stachel, editors.
- Boston : Birkhäuser, c1991.
- xiii, 602 p. : ill. ; 25 cm.
"The Osgood Hill Conference on Conceptual Problems of Quantum Gravity"--Acknowledgments. "Sponsored by the Boston University Center for Einstein Studies"--Pref.