1. Achúcarro, N. (1915) De l’évolution de la névroglie, et spécialement de ses relations avec l’appareil vasculaire. Trab. Lab. Invest. Biol. Madrid, 13:169–212.
2. Aloisi, F., C. Agresti, D. D’Urso and G. Levi (1988) Diferentiation of bipotential glial precursors into oligodendrocytes is promoted by interaction with type-1 astrocytes in cerebellar cultures. Proc. Natl. Acad. Sci. USA 85:6167–6171.
3. Alvarez-Buylla, A., Buskrik and F. Nottebohm (1987) Monoclonal antibody reveals radial glia in the adult avian brain. J. Comp. Neurol., 264:159–170.
4. Anadón, R. (1974) Núcleos electromotores de la tembladera (Torpedo marmorata Risso). I. Lóbulos electricos. Trab. Inst. Cajal Inv. Biol., 66:103–131.
5. Anadón, R., F. Adrio, M.A. Rodríguez, G. Jeserich and I. Rodríguez-Moldes (in preparation) Development of oligodendrocytes and myelination in the brain of the brown trout: a 36K myelin protein immunocytochemical study.