N. A. Kurnit, I. D. Abella, and S. R. Hartmann

Phys. Rev. Lett. 13, 567 (1964) - Published 9 November, 1964

J. Crangle

Phys. Rev. Lett. 13, 569 (1964) - Published 9 November, 1964

D. H. Wilkinson

Phys. Rev. Lett. 13, 571 (1964) - Published 9 November, 1964

R. Aaron, R. D. Amado, and Y. Y. Yam

Phys. Rev. Lett. 13, 574 (1964) - Published 9 November, 1964

Leon Heller, Peter Signell, and N. R. Yoder

Phys. Rev. Lett. 13, 577 (1964) - Published 9 November, 1964

R. J. Oakes and D. Speiser

Phys. Rev. Lett. 13, 579 (1964) - Published 9 November, 1964

Jacek K. Furdyna

Phys. Rev. Lett. 13, 582 (1964) - Published 9 November, 1964