Are diatoms a food source for Antarctic sponges? - CERRANO, CARLO; SCHIAPARELLI, STEFANO; BAVESTRELLO, GIORGIO; CALCINAI B; CUCCHIARI E; DI CAMILLO C; NIGRO M; REGOLI M; SARA A; TOTTI C (Editore Gordon and Breach Science Publishers Taylor & Francis Limited:Rankine Road, Basingstoke RG24 8PR United Kingdom:011 44 1256 813035, EMAIL: madeline.sims@tandf.co.uk, info@tandf.co.uk, INTERNET: http://www.tandf.co.uk, Fax: 011 44 1256 330245, 2004)