New Series. Crystal and solid state physics. Crystal structure data of inorganic compounds / Wolfgang Pies, Alarich Weiss. Key elements. Si, Ge, Sn, Pb; B, Al, Ga, In, Ti; Be. Key elements. B, Al, Ga, In, T;Be. (Substance numbers d7000-d8399,/ in cooperation with Rudolf Allmann / editors K.H. Hellwege and A.M. Hellwege