Diversity related concepts and indices

Published in 1998 in Avicennia, volume 8-9, on pages 7-21

Determinism-chaos controversy

Published in 1998 in Avicennia, volume 8-9, on pages 22-26

New records of octocorals (Cnidaria) for Cuban shelf

Published in 1998 in Avicennia, volume 8-9, on pages 105-108