Special issue - Frontiers in seagrass research: A challenge of the new millennium in honour of professor Dr C-Den Hartog, founder editor of aquatic botany - Foreword
Cm. Duarte et Md. Fortes, Special issue - Frontiers in seagrass research: A challenge of the new millennium in honour of professor Dr C-Den Hartog, founder editor of aquatic botany - Foreword, AQUATIC BOT, 65(1-4), 1999, pp. 5-5