1. B�gvard, R., 1938: Weberite, a new mineral from Ivigtut. Medd. Gronland119, 1?11. (Cf. also abstract in: Ref. Amer. Min. 1939,24, 278?279).
2. Brosset, C., 1942: Electrochemical and X-ray crystallographic investigation of complex aluminum fluorides. (In Swedish.) Diss. Univ. Stockholm.
3. Busing, W. R., K. O. Martin andH. A. Levy, 1962: ORFLS a Fortran crystallographic least-squares program. Oak Ridge National Laboratory. (U. S. Clearinghouse Fed. Sci. Tech. Inf.) Rep. ORNL-TM-305.
4. Bystr�m, A., 1944: The structure of weberite, Na2MgAlF7. Ark. Kem. Min. Geol.18B, 10.
5. Cromer, Don T., andJ. T. Waber, 1974: Atomic scattering factors for X-rays. In ?International Tables for X-ray Crystallography? Vol. IV. (Editors:J. A. Ibers andW. C. Hamilton.) Birmingham, Kynoch Press. 71?151.