Sheila Noth, Peter Bruckschen and Detlev K. Richter (1991) “Conodont color alteration and microdolomite composition - implications to the Muschelkalk limestones (Upper Triassic) overlying the Upper Cretaceous intrusive body of the Vlotho Massif (Weserbergland, Northwest Germany)”, Netherlands Journal of Geosciences, pp. 265-273. Available at: https://njgjournal.nl/index.php/njg/article/view/12804 (Accessed: 6April2026).