classic papers of the week -- 212

Cosmic Rays from Super-novae

• Baade, W.; Zwicky, F. (Mount Wilson Observatory, Carnegie Institution of Washington and California Institute of Technology, Pasadena)

Theory of the Effective Range in Nuclear Scattering

• Bethe, H. A. (Physics Department, Cornell University, Ithaca, NY)

Induction Effects in Terrestrial Magnetism Part I. Theory

• Elsasser, Walter M. (Columbia University, Division of War Research, New York)