1. Tissue composition of sponges from the Weddell Sea, Antarctica: not much meat on the bones;Barthel;Mar. Ecol. Prog. Ser.,1995
2. Silica content and spicular size variation during an annual cycle in Chondrilla nucula Schmidt (Porifera, Demospongiae) in the Ligurian Sea;Bavestrello;Sci. Mar.,1993
3. Quantitative palaeoenvironmental reconstructions;Birks,1995
4. Chapter two - sponge systematics facing new challenges;Cárdenas,2012