Flux trapping in a macroscopic cylinderical hole drilled in Bi-Sr-Ca-Cu-OA. Kiliç, K. Kiliç, H. Yetiş, M. Olutaş, A. Altinkok, H. Sözeri and O. ÇetinEur. Phys. J. B, 50 4 (2006) 565-569DOI: https://doi.org/10.1140/epjb/e2006-00180-3