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Cen, Y. J., Zhang, L. N., Xia, Y. L., Guo, J., Deng, X. L., Zhou, W. J., … Gao, Y. Q. (2012). Detection of 'Candidatus Liberibacter asiaticus' in Cacopsylla (psylla) citrisuga (Hemiptera: Psyllidae). Florida Entomologist, 95(2), 304–311.

Sequeira, R. (1999). Safeguarding production agriculture and natural ecosystems against biological terrorism: A US Department of Agriculture emergency response framework. In T. W. Frazier & D. C. Richardson (Eds.), Food and agricultural security: Guarding against natural threats and terrorist attacks affecting health, national food supplies, and agricultural economics (Vol. 894, pp. 48–67). New York, NY: New York Academy of Sciences.