1. Anonymous, 1990. Annuaire statistique du Maroc. Ministère du Plan, Direction de la Statistique: 541 pp.
2. Barnett, O.W., 1986. Surveying for plant viruses: design and considerations. In: G.D McLean, B.G. Garrett & W.G. Ruesink (Eds), Plant virus epidemics: Monitoring, modelling and predicting outbreaks. Academic Press Australia: 147–166.
3. Bawden, F.C., Chaudhuri, R.P. & Kassanis, B., 1951. A biting, insect as a vector of broad bean mottle virus. Annals of Applied Biology 38: 774–784.
4. Borges, M. de Lourdes V. & Louro, D., 1974. A biting insect as a vector of broad bean mottle virus? Agronomia Lusitiana 36: 215–216.
5. Bos, L., Hampton, R.O. & Makkouk, K.M., 1988. Viruses and virus diseases of pea, lentil, faba bean and chickpea. In: R.J. Summerfield (Ed.), World crops: Cool season food legumes. Kluwer Academic Publishers: 591–615.