1. Estudo das populaçes portuguesas do Gén. Barbus Cuvier, 1817 (Pisces, Cyprinidae);Almaça;Revista da Faculdade de Ciências de Lisboa 2a Series, C,1967
2. Répartition géographique des Cyprinidae ibériques et Secteurs ichthyogéographiques de la Péninsule Ibérique;Almaça;Vestnik Ceskoslovenské Spolecnosti Zoologické,1978
3. Contemporary changes in Portuguese freshwater fish fauna and conservation of autochtonous Cyprinidae;Almaça;Roczniki Nauk Rolniczych seria H,1983
4. The conservation of freshwater fishes in Portugal;Almaça,1988
5. Fish and their environment in large European river ecosystems;Almaça;Sciences de l'Eau,1988