Cultivation-independent methods applied to the microbial prospection of oil and gas in soil from a sedimentary basin in Brazil - Miqueletto, Paula B; Andreote, Fernando Dini; Dias, Armando C. F; Ferreira, Justo C; Santos Neto, Eugênio Vaz dos; Oliveira, Valéria M. de (AMB Express, 2011)