Vieira, C. E. L., Iannuzzi, R., Guerra-Sommer, M., Diaz-Martinez, E., & Grader, G. W. (2004). Permian plants from the Chutani Formation (Titicaca Group, northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca.
Citación estilo ChicagoVieira, Carlos Eduardo Lucas, Roberto Iannuzzi, Margot Guerra-Sommer, Enrique Diaz-Martinez, y George W. Grader. Permian Plants From the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca. 2004.
Cita MLAVieira, Carlos Eduardo Lucas, et al. Permian Plants From the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca. 2004.
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