[1]
Munsterman , D.K., Veen , J.H. ten, Menkovic , A., Deckers , J., Witmans , N., Verhaegen , J., Kerstholt-Boegehold , S.J., van de Ven , T. and Busschers , F.S. 2020. An updated and revised stratigraphic framework for the Miocene and earliest Pliocene strata of the Roer Valley Graben and adjacent blocks. Netherlands Journal of Geosciences. 98, (Jan. 2020). DOI:https://doi.org/10.1017/njg.2019.10.