Esquinazi, P., M. E. de la Cruz, and F. de la Cruz. "Heat treatment effects in La70Cu30 amorphous system." Physica B+C 108B, no. 1-3 (1981): 1215–1216.
Abstract: It is shown that superconductivity is a useful tool to investigate the evolution of the amorphous state, when heat treatment below the crystallization temperature.