Mansilla, H. G., de Valais, S., Stinnesbeck, W., Varela, N. A., & Leppe, M. A. (2012). New Avian tracks from the lower to middle Eocene at Fossil Hill, King George Island, Antarctica. Web
Citación estilo ChicagoMansilla, Héctor G., Silvina de Valais, Wolfgang Stinnesbeck, Natalia A. Varela, and Marcelo A. Leppe. New Avian Tracks From the Lower to Middle Eocene At Fossil Hill, King George Island, Antarctica. 2012.
Cita MLAMansilla, Héctor G., et al. New Avian Tracks From the Lower to Middle Eocene At Fossil Hill, King George Island, Antarctica. 2012.
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