. "Sara et al. (1992)" . "Sara, M., Balduzzi, A., Barbieri, M., Bavestrello, G. & Burlando, B. 1992. Biogeographic traits and checklist of Antarctic demosponges. Polar Biology, 12(6-7): 559-585." . . "1992"^^ . . "1992"^^ . "Sara et al. (1992)" .