Ateyyat, M., and M. Abu-Darwish. “Short Communication. Insecticidal Activity of Different Extracts of Rhamnus Dispermus (Rhamnaceae) Against Peach Trunk Aphid, Pterochloroides Persicae (Homoptera: Lachnidae)”. Spanish Journal of Agricultural Research, Vol. 7, no. 1, Mar. 2009, pp. 160-4, doi:10.5424/sjar/2009071-415.