Decoherence: Theoretical, Experimental, and Conceptual Problems Proceedings of a Workshop Held at Bielefeld Germany, 10-14 November 1998 - Blanchard, P.; Blanchard, P.; Giulini, D.; Giulini, D.; Joos, E.; Joos, E.; Kiefer, C.; Kiefer, C.; Stamatescu, I.-O; Stamatescu, I.-O (Springer Berlin Heidelberg : Imprint: Springer, 2000)