authors, Susanne Jäger ... [et al.] ; editors, Dieter Koschel ... [et al.] ; chief editor, Peter Merlet ; suppl. v. 4 : gw - suppl. v. 5 : us. -- Springer, 1986-1987. -- (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. 5).