Knaus, R. M. Estimates of Oil-Soaked Carcasses of the Magellanic Penguin (Spheniscus Magellanicus) on the Eastern Shore of Península Valdés, Chubut Province, Argentina. El Hornero 1990, 13 (2), 171-173. https://doi.org/10.56178/eh.v13i2.1109.