P.P. Ewald and his dynamical theory of X-ray diffractionPeter Paul Ewald, Hellmut J. Juretschke · First published 1992Open the Tome
Elementary particle physicsEwald Paul, Horst Rollnik, Peter Stichel · First published 1976Open the Tome
The physics of solids and fluids, with recent developmentsPaul Peter Ewald · First published 1932Open the Tome