«MICROFACIES AND MICROFOSSIL ASSEMBLAGES (SMALLER FORAMINIFERS, ALGAE, PSEUDOALGAE) OF THE HUECO GROUP AND LABORCITA FORMATION (UPPER PENNSYLVANIAN-LOWER PERMIAN) SOUTH-CENTRAL NEW MEXICO, USA». Rivista italiana di Paleontologia e Stratigrafia 109, no. 1 (marzo 31, 2003). Consultato luglio 28, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/5491.