authors, Norbert Baumann, Hans-Jürgen Fachmann, Reimund Jotter ; editors, Norbert Baumann ...[et al.] ; chief editor, Alfons Kubny ; pt. 9 : gw - pt. 11 : us. -- Springer, 1993-. -- (Gmelin handbook of inorganic chemistry / prepared and issued by Gmelin-Institut für Anorganische Chemie der Max-Planck-Gesellschaft zur Förderung der Wissenschaften ; director, Ekkehard Fluck ; system no. 9 . S, sulfur-nitrogen compounds).