Felder, P. J., Keppens, E., De Clercq, B., Normand, S., & Streel, M. (August 2003). Faunal/floral and isotopic responses to Milankovitch precession cycles and environmental changes in the upper Gulpen Formation (Upper Maastrichtian) at the CBR-Lixhe and ENCI-Maastricht bv quarries. Netherlands Journal of Geosciences, 82 (3), 275-281. doi:10.1017/S0016774600020862 |