Okanda F. M., Dao A., Njiru B. N., Arija J., Akelo H. A., Toure Y., Odulaja A., Beier J. C., Githure J. I., Yan G., Gouagna L. C., Knols B. G. J. and Killeen G. F. (2002) Behavioural determinants of gene flow in malaria vector populations: Anopheles gambiae males select large females as mates. Malaria Journal 1, 10–13.