Angela Barbaro-Galtieri, Philip J. Davis, Stanley M. Flatté, Jerome H. Friedman, Margaret A. Garnjost, Gerald R. Lynch, Maxine J. Matison, Monroe S. Rabin, Frank T. Solmitz, Norman M. Uyeda, Victor Waluch, Roland Windmolders, and Joseph J. Murray

Phys. Rev. Lett. 22, 1207 (1969)