Valensi, 1953
From dinoflaj3
Revision as of 21:13, 21 December 2016 by Maintenance script (Talk | contribs)
Valensi, L., 1953: Microfossiles des silex du Jurassique moyen. Remarques pétrographiques. Mémoires de la Société géologique de France, Nouvelle série, v.32, part 4, no.68, p.1-100, pl.1-16.