Fecal sterols and linear alkylbenzenes in surface sediments collected at 2009/10 austral summer in admiralty bay, Antarctic - Martins, César de Castro; Aguir, Sabrina Nart; Bícego, Márcia Caruso; Ceschim, Liziane Marcella Michelotti; Montone, Rosalinda Carmela (Annual activity Report - INCT/APA, 2012)