Conductivity and phase coherence length of single electrons in layered cupratesG. A. Levin, E. Cimpoiasu, H. Zheng, A. P. Paulikas, B. W. Veal, Shi Li, M. B. Maple and C. C. AlmasanEurophys. Lett., 57 1 (2002) 86-92DOI: https://doi.org/10.1209/epl/i2002-00545-8