Observation of interfering Bloch waves B. G. Briner, Ph. Hofmann, M. Doering, H.-P. Rust, E. W. Plummer and A. M. Bradshaw Europhys. Lett., 39 1 (1997) 67-72 Published online: 01 December 2003 DOI: 10.1209/epl/i1997-00315-2