Souza, L. D., Souza, L. da S. and Ledo, C. A. da S. (2007) “Citrus root system in Coastal Tablelands on Typic Quartzipsamment under irrigation and rainfed conditions”, Pesquisa Agropecuaria Brasileira, 42(10), pp. 1373–1381. doi: 10.1590/S1678-3921.pab2007.v42.7708.