Zodrow EL. Note on different kinds of attachments in trigonocarpalean (Medullosales) ovules from the Pennsylvanian Sydney Coalfield, Canada. atlgeo [Internet]. 10 oct. 2004 [cité 27 sept. 2024];40(2/3). Disponible à: https://journals.lib.unb.ca/index.php/ag/article/view/1039