1. Invertebrate macrofauna as potential indicators of sandy beach instability;Allen;Estuarine, Coastal and Shelf Science,1987
2. Intertidal zonation on sandy beaches of the west coast of South Africa;Bally;Cahiers de Biologie Marine,1983
3. Le milieu marin;Bayed,1987
4. Reproduction de Donax trunculus sur la côte Atlantique marocaine;Bayed;Cahiers de Biologie Marine,1990
5. Variabilité de la croissance des populations du Mollusque Donax trunculus sur le littoral atlantique marocain;Bayed;Cahiers Options méditerranéennes,1998