Jean Alitti, Virgil E. Barnes, David J. Crennell, Enzo Flaminio, Marvin Goldberg, Uri Karshon, Kwan Wu Lai, Wesley J. Metzger, John S. O'Neall, Nicholas P. Samios, J. Michael Scarr, and Thomas G. Schumann
Phys. Rev. Lett. 21, 1705 (1968) – Published 16 December 1968