[1]
“Bird tracks preserved in fluvial channel facies of the Río Negro Formation (Neogene), La Pampa Province,Argentina”, AMGH, vol. 46, no. 1, pp. 209–214, Jun. 2009, Accessed: Nov. 04, 2025. [Online]. Available: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/187