Effects of the aqueous effluent from an oil maritime terminal on the diatom skeletonema costatum: preliminary results - Aidar, E; Sigaud-Kutner, Teresa Cristina Siqueira; Bícego, Márcia Caruso; Braga, Elisabete de Santis (Simposio Latino-Americano de Saude de Ecossistemas Aquaticos e Significados Ecologicos de Bioensaios, 1994)