B. J Romein (1962)
On the type locality of the Maastrichtian (Dumont 1849),the upper boundary of that stage and on the transgression of a Maastrichtian s.l. in Southern Limburg
Mededelingen Geologische Stichting, vol. NS no. 15 p. 77-84.
12988, 107, .93, .94, Li, Lg, MEUSE2, CRET, LIVEX, STRA
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