Millioud, M.E.,
1969
Dinoflagellates and acritarchs from some western European Lower Cretaceous type localities.
In: Brönnimann, P. and Renz, H.H. (editors), 1st International Conference on Planktonic Microfossils, Geneva, 1967, Proceedings, v.2, p.420-434, pl.1-3; E.J. Brill, Leiden, The Netherlands.