“Observation of the Emperor Penguins Aptenodytes Forsteri in the Prince Gustav Channel Related With Unusual Sea-Ice Decline in North-Western Weddell Sea”. Revista De Biología Marina Y Oceanografía, vol. 53, no. 3, Jan. 2019, pp. 393-5, https://doi.org/10.22370/rbmo.2018.53.3.1363.