N. S. VanderVen

Phys. Rev. Lett. 18, 277 (1967) - Published 20 February, 1967

P. M. Platzman and P. A. Wolff

Phys. Rev. Lett. 18, 280 (1967) - Published 20 February, 1967

Sheldon Schultz and Gerald Dunifer

Phys. Rev. Lett. 18, 283 (1967) - Published 20 February, 1967

W. H. Parker, B. N. Taylor, and D. N. Langenberg

Phys. Rev. Lett. 18, 287 (1967) - Published 20 February, 1967

G. Sartoris and L. Zamick

Phys. Rev. Lett. 18, 292 (1967) - Published 20 February, 1967

V. Barger and M. Olsson

Phys. Rev. Lett. 18, 294 (1967) - Published 20 February, 1967

P. Carruthers and Michael Martin Nieto

Phys. Rev. Lett. 18, 297 (1967) - Published 20 February, 1967

Tran N. Truong

Phys. Rev. Lett. 18, 300 (1967) - Published 20 February, 1967

Virendra Singh

Phys. Rev. Lett. 18, 300 (1967) - Published 20 February, 1967