Pierre, C, Blanc-Valleron, MM, Demange, J, Boudouma, O, Foucher, JP, Pape, T, Himmler, T, Fekete, N and Spieß, V (2012) Authigenic carbonates from active methane seeps offshore southwest Africa. Geo-Marine Letters, 32. 501-513. doi:10.1007/s00367-012-0295-x