doi:10.1144/GSL.SP.2001.190.01.14. (原始内容存档于2007-11-11). Anderson, Don L.; Foulger, G. R.; Meibom, Anders. Helium: Fundamental models. MantlePlumes.org. 2006-09-02
2007. [2017-09-24]. (原始内容存档于2017-09-24). S.Iijima, Nature, 354(1991),56. Foulger, David. From Stock Portfolios to Art Portfolios. PC: The Independent Guide