Alves, Filipe M.A., Luis M. Chícharo, Ester Serrao, and António D. Abreu. 2003. “Grazing by Diadema Antillarum (Philippi) Upon Algal Communities on Rocky Substrates”. Scientia Marina 67 (3):307-11. https://doi.org/10.3989/scimar.2003.67n3307.