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Physical Review B
This study shows that in fcc lanthanum the measured ratio of superconducting energy gap to transition temperature strongly depends on annealing treatment. © 1967.
J.E. Demuth, R. Imbihl, et al.
Physical Review B
W.A. Thompson, S.F. Hanrahan
Review of Scientific Instruments
W.A. Thompson, F. Holtzberg, et al.
Physical Review Letters
W.A. Thompson, S. Von Molnar
Journal of Applied Physics