A bio-chemostratigraphical test of the synchroneity of biozones in the upper Silurian of Estonia and Latvia with some implications for practical stratigraphyKaljo, Dimitri; Einasto, Rein; Martma, Tõnu; Märss, Tiiu; Nestor, Viiu-Kai; Viira, ViiveEstonian journal of earth sciences2015 / p. 267-283 : ill https://artiklid.elnet.ee/record=b2750825*est https://doi.org/10.3176/earth.2015.33 Journal metrics at Scopus Article at Scopus Journal metrics at WOS article at WOS