Roger Vanhoorne (1961)
La limite plio-pléistocène en Belgique. Vith Congress,Poland,August-September 1961.
INQUA International Association on Quaternary Research, vol. Abstracts of papers. Supplement p. 56.
18291, .31, .17, .15, A, CAMP34, PLIO, PLEIS, PALYNO
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