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McNamara, M. E.; Orr, P. J.; Kearns, S. L.; Alcalá, L.; Anadón, P.; Peñalver-Mollá, E. (2009). „Exceptionally preserved tadpoles from the Miocene of Libros, Spain: ecomorphological reconstruction and the impact of ontogeny upon taphonomy”. Lethaia. 43 (3): 290—306. doi:10.1111/j.1502-3931.2009.00192.x. hdl:10261/141680.
McNamara, M. E.; Orr, P. J.; Kearns, S. L.; Alcalá, L.; Anadón, P.; Peñalver-Mollá, E. (2009). „Exceptionally preserved tadpoles from the Miocene of Libros, Spain: ecomorphological reconstruction and the impact of ontogeny upon taphonomy”. Lethaia. 43 (3): 290—306. doi:10.1111/j.1502-3931.2009.00192.x. hdl:10261/141680.
McNamara, M. E.; Orr, P. J.; Kearns, S. L.; Alcalá, L.; Anadón, P.; Peñalver-Mollá, E. (2009). „Exceptionally preserved tadpoles from the Miocene of Libros, Spain: ecomorphological reconstruction and the impact of ontogeny upon taphonomy”. Lethaia. 43 (3): 290—306. doi:10.1111/j.1502-3931.2009.00192.x. hdl:10261/141680.