Generate this item's QR code Copy the permalink A. De Rujula, J. Ellis, R. Petronzio, G. Preparata, W. Scott, Can one tell from a hole in the ground?, Erice, July 31 - Aug. 11, 1979, Ref. TH. 2778-CERN Type File Dipartimento di Fisica di Sapienza-Università di RomaGiuliano PreparataArchival Unit File Typology file Persona Inventory Expand the inventory