^ 1.01.1Holleman, Arnold Frederik; Wiberg, Egon, Wiberg, Nils , 編, Inorganic Chemistry, 由Eagleson, Mary; Brewer, William翻譯, San Diego/Berlin: Academic Press/De Gruyter: 594, 2001, ISBN 0-12-352651-5
^Summary of work to date on volatile neutron source, Monsanto Chemical Company, Unit 3 abstracts of progress reports, August 16–31, 1945; Abstract (頁面存檔備份,存於網際網路檔案館); PDF.