Munnecke, A., Männik, P. 2009.
New biostratigraphic and chemostratigraphic data from the Chicotte Formation (Llandovery, Anticosti Island, Laurentia) compared with the Viki core (Estonia, Baltica).Estonian Journal of Earth Sciences58,
3,159-169. DOI:10.3176/earth.2009.3.01