1. Kalman Lambrecht (1. Mai 1889-7. Januar 1936);Abel;Paläontologische Zeitschrift,1936
2. New giant penguin bones from Antarctica: Systematic and paleobiological significance;Acosta Hospitaleche;Comptes Rendus Palevol,2014
3. New Antarctic findings of Upper Cretaceous and lower Eocene loons (Aves: Gaviiformes);Acosta Hospitaleche;Annales de Paléontologie,2015
4. Palaeeudyptes klekowskii, the best preserved penguin skeleton from the Eocene-Oligocene of Antarctica: Taxonomic and evolutionary remarks;Acosta Hospitaleche;Geobios,2014
5. Phorusrhacidae Psilopterinae (Aves) en la Formación Sarmiento de la localidad de Gran Hondonada (Eoceno Superior), Patagonia, Argentina;Acosta Hospitaleche;Revista Española de Paleontologia,2005