↑Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Oxford: Butterworth-Heinemann. p. 297. ISBN0080379419.{{cite book}}: نگهداری یادکرد:نامهای متعدد:فهرست نویسندگان (link)
↑ ۳٫۰۳٫۱The Crystal Structure and Chemical Properties of U2Al3C4 and Stucture Refinement of Al4C3. T. M. Gesing and W. Jeitschko, Z. Naturforsch. B 50, 196-200 (1995).