Sonzogni, Alejandro. Interactive Chart of Nuclides. National Nuclear Data Center: Brookhaven National Laboratory. [2008-06-06]. (原始内容存档于2008-05-22).
books.google.com
Lassner, Erik; Schubert, Wolf-Dieter. low temperature brittleness. Tungsten: properties, chemistry, technology of the element, alloys, and chemical compounds. Springer. 1999: 20–21. ISBN 978-0-306-45053-2.
McMaster, J. & Enemark, John H. The active sites of molybdenum- and tungsten-containing enzymes. Current Opinion in Chemical Biology. 1998, 2 (2): 201–207. PMID 9667924. doi:10.1016/S1367-5931(98)80061-6.
Smith, Bradley J.; Patrick, Vincent A. Quantitative Determination of Sodium Metatungstate Speciation by 183W N.M.R. Spectroscopy. Australian Journal of Chemistry. 2000, 53 (12): 965. doi:10.1071/CH00140.
McMaster, J. & Enemark, John H. The active sites of molybdenum- and tungsten-containing enzymes. Current Opinion in Chemical Biology. 1998, 2 (2): 201–207. PMID 9667924. doi:10.1016/S1367-5931(98)80061-6.