The biology and culture of tilapias : Proceedings of the International Conference on the biology and culture of Tilapias,2-5 September 1980 at the Study and Conference Center of the Rockfeller Fountation,Bellagio, Italy, sponsored by the ICLARM. - Lowe-McConnell, R. H.; Pullin, R.S V. (International center for living aquatic resourses management III, 1982)