Morales-Nin, B.. , "Primeros datos de crecimiento de Astroglosus micropelis en aguas de Namibia". "International Commission for the Southeast Atlantic Fisheries. Collec. Scient. Pap. ICSEAF", Málaga, Spain, 1981. Publication data: V: 9, N: 2, pp: 195-198. Paper presentation.
Morales-Nin, B.. , "Considerations on scorpeonfish, horse mackerel and kingklip otoliths in the Southeast Atlantic and proposed guideliness for interpretation". "International Commission for the Southeast Atlantic Fisheries. Collec. Scient. Pap. ICSEAF", Málaga, Spain, 1981. Publication data: V: 9, N: 2, pp: 199-219. Paper presentation.
Morales-Nin, B.. , "Asistencia". "CGPM. Special meeting on consultation tecnique sur les metodologies utilisées dans la lecture de l'âge des poissons", Montpellier, France, 1981. Not specified.