1.
ORTEGA G, ALBANESI G, BANCHIG A, PERALTA G. High resolution conodont-graptolite biostratigraphy in the Middle-Upper Ordovician of the Sierra de La Invernada Formation (Central Precordillera, Argentina). GeA [Internet]. 2009Apr.22 [cited 2021Oct.28];6(2):161-80. Available from: https://revistes.ub.edu/index.php/GEOACTA/article/view/105.000000249