by J.E. Pin ; translated by A. Howie. by A.G. Sitenko ; translated by O.D. Kocherga. by M.I. Klinger ; translated by J.B. Sykes. by A.S. Davydov ; translated by D. Oliver. by L. Hopf ; translated by Walter Nef. by S.M. Bilenky ; translated by G.B. Pontecorvo. by R. Courant ; translated by E.J. McShane. by Marcel Bessis ; translated by Eric Ponder. by A. Jacob ; translated by Norman Walker. by Fritz Feigl ; translated by R. E. Oesper.