Zekri, M., H. L. Chamberlain, P. Timmer, P. D. Roberts, and R. M. Muchovej. “Field Identification of Citrus Canker Symptoms and Decontamination Procedures: PP-214/PP136, 10/2005”. EDIS, vol. 2005, no. 13, Oct. 2005, doi:10.32473/edis-pp136-2005.