Eifelian 8 2020-11-20T15:39:21.457Z h.bressan@brgm.fr Hélène Bressan Eifelien 1082 2019-03-25T13:21:09.006Z 2022-12-08T06:53:54.057Z 2019-03-25T13:23:22.975Z d4 Eifelien Eifelian Eifelian Eifelien EIFE 118 213 true Monde Bultynck et al., 1991. Mém. Serv. Géol. Belgique n°30; Dejonghe al. 2006 Geologica Belgica vol.9 1-2 241 false