1. Recruitment indices of horse mackerel (Trachurus trachurus L.) based onevoung fish survey in the Portuguese waters (Division IXa) in 1982;Borges;ICES, Doc. C.M. 1983/H,1983
2. Evaluation of the results on horse mackerel (Trachurus trachurus L.) of a series of young fish surveys in the Portuguese waters (Div. IXa);Borges;ICES, Doc. C.M. 1984/H,1984