Long-Term Climatic Oscillations Recorded in Stratigraphy, [w:] Alfred G.A.G.FischerAlfred G.A.G., Long-Term Climatic Oscillations Recorded in Stratigraphy, [w:] Climate in Earth History: Studies in Geophysics;, National Academy of Sciences, 1982, s. 97–105, ISBN 0-309-10784-9 [dostęp 2012-06-28](ang.).???