classic papers of the week -- 161

Tentativo di una Teoria Dei Raggi β

Also

• Enrico Fermi

On the Theory of the Brownian Motion

• Uhlenbeck, G. E.; Ornstein, L. S. (University of Michigan, Ann Arbor and Physisch Laboratorium der R. U. Utrecht, Holland)

Tool-Using and Aimed Throwing in a Community of Free-Living Chimpanzees

• Goodall, Jane (University of Cambridge, Sub-Department of Animal Behaviour, Madingley, Cambridge)