المؤلفون: Patchett, P. Jonathan, Staudacher, Thomas, Graham, David W., Campbell, Ian T., Brand, Uwe, Fairbridge, Rhodes W., McLennan, Scott M., Volkman, John K., Kaufman, Ronald S., Krishnamurthy, R. V., Kenny, Ray, Berger, Byron R., Bodnar, Robert J., Jović, Vidojko

المساهمون: Marshall, Clare P., editor, Fairbridge, Rhodes W., editor

المصدر: Encyclopedia of Geochemistry. :312-338

المؤلفون: Krishnamurthy, R. V.

المساهمون: Marshall

المصدر: Geochemistry. :326-330