author, Lawrence Barton, editor, Rainer Bohrer, chief editors, Jürgen Faust ; : gw, : us. -- Springer-Verlag, 1996. -- (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. 13 . B, Boron compounds ; 4th suppl. v. 1b).