Particle size effect of a.c. superconducting properties in Tl2Ca1Ba2Cu2O8 compound I. Kirschner, R. Laiho, A. C. Bódi, A. D. Caplin, E. Lähderanta and G. Zsolt Eur. Phys. J. B, 9 3 (1999) 389-399 Published online: 15 June 1999 DOI: 10.1007/s100510050782