Segev, Y., Gutman, I., Goldberg, S., Myasoedov, Y., Zeldov, E., Brandt, E. H., Mikitik, G. P., Katagiri, T., & Sasagawa, T. (2011). Suppression of geometrical barrier in Bi2Sr2CaCu2O8-δ crystals by Josephson vortex stacks. Physical Review B, 83:. doi:10.1103/PhysRevB.83.104520.