%0 Journal Article %A Bernhelm Booß-Bavnbek %A Giampiero Esposito %A Matthias Lesch %T Quantum Gravity: Unification of Principles and Interactions, and Promises of Spectral Geometry %J Symmetry, integrability and geometry: methods and applications %D 2007 %V 3 %U http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a97/ %G en %F SIGMA_2007_3_a97