J. E. Mack, W. Z. Osborne, L. S. Pinsky, Clark Goodman, J. T. O'Brien, and R. A. Gearhart

Phys. Rev. Lett. 33, 1582 (1974)

Ilya Eremin and Dirk Manske

Phys. Rev. Lett. 98, 139702 (2007)

Derek Frydel and Haim Diamant

Phys. Rev. Lett. 104, 248302 (2010)

Chiara Cammarota, Giulio Biroli, Marco Tarzia, and Gilles Tarjus

Phys. Rev. Lett. 106, 115705 (2011)

V. M. Abazov et al. (D0 Collaboration)

Phys. Rev. Lett. 95, 151801 (2005)