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Pape T, Blumenberg M, Thiel V, Michaelis W. (2004). Biphytanes as biomarkers for sponge-associated Archaea. In: Pansini M, Pronzato R, Bavestrello G, Manconi R, Sarà M (eds) Sponge Science in the New Millenium. Papers contributed to the VI International Sponge Conference Rapallo (Italy) 29 September – 5 October 2002. Bollettino dei Musei e degli Istituti Biologici dell'Universitá di Genova 68, pp 509-515.