Neutron scattering : lectures of the JCNS Laboratory Course held at Forschungszentrum Jülich and at the Heinz Maier-Leibnitz Zentrum Garching / Thomas Brückel, Stephan Förster, Margarita Kruteva, Mirijam Zobel, and Reiner Zorn (editors) : in cooperation with RWTH Aachen