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Macroscopic Quantum Tunneling in Magnetic Proteins
D. D. Awschalom, J. F. Smyth, G. Grinstein, D. P. DiVincenzo, and D. Loss
Phys. Rev. Lett. 71, 4279 (1993)
Hydrogen Reduction of Ruby at High Pressure: Implication for Claims of Metallic Hydrogen
Arthur L. Ruoff and Craig A. Vanderborgh
Phys. Rev. Lett. 71, 4279 (1993)