Peypouquet, J Environmentally cued polymorphism of ostracods : a theoretical and practical approach : A contribution to geology and to the understanding of ostracod evolution - [S.l] : [s.n.], [19--] - 26 p: : ill., rés.(En, Fr) bibliogr. p. 20-26 Subjects--Topical Terms: MicropaléontologieFaune ostracodePaléoenvironnement