J. Elorza, F. Garcia-Garmilla, & J.W.M. Jagt. (1997). Diagenesis-related differences in isotopic and elemental composition of late Campanian and early Maastrichtian inoceramids and belemnites from NE Belgium: palaeoenvironmental implications. Netherlands Journal of Geosciences, 75, 349-360. Retrieved from https://njgjournal.nl/index.php/njg/article/view/12385