Generate this item's QR code Copy the permalink G. Preparata, S. Rovelli, S.S. Xue, Gas of wormholes: A possible ground state of quantum gravity, Gen. Rel. Grav. 32 (2000), 1859 Type File Dipartimento di Fisica di Sapienza-Università di RomaGiuliano PreparataArchival Unit File Typology file Persona Inventory Expand the inventory