• Measuring the fall of antihydrogen: The AEGIS experiment at CERN 

      Doser, M.; Allkofer, Y.; Amsler, C.; Belov, A. S.; Bonomi, G.; ... more authors ( Elsevier B.V. , 2011 , Conference Paper)
      Considerable efforts have been made and are still being made to verify the validity of the principle of the equivalence of gravitational and inertial mass, one of the cornerstones of the classical theory of general relativity. ...