Über die kalkalgen, spongiostromen und einige andere fossilien aus dem obersilur Gottlands
Stockholm, Kungl. boktryckeriet, P.A. Norstedt & söner, 1913
1913
University Library, University of Illinois Urbana Champaign
University of Illinois Urbana-Champaign
Copyright Status:
Public domain. The BHL considers that this work is no longer under copyright protection.