Quantum mechanics versus macroscopic realism: Is the flux there when nobody looks?
A. J. Leggett and Anupam Garg
Phys. Rev. Lett. 54, 857 (1985) - Published 4 March, 1985
Quantum irregular spectrum in a corresponding classically chaotic lattice spin system
K. Nakamura, Y. Nakahara, and A. R. Bishop
Phys. Rev. Lett. 54, 861 (1985) - Published 4 March, 1985