BRUSTUR, Titus, 		MACALEȚ, Rodica, AND 		BRICEAG, Andrei.
" Ephemeral Marks in river-margin substratum produced by the akene of the Spiny cocklebur (Xanthium spinosum): possible trace fossil implications" <em>Geo-Eco-Marina</em> [Online], Volume 27(31 December 2021)