E. F. dos Reis, L. R. Maia, G. L. Araujo, G. O. Garcia, and R. R. Passo, “PH ALTERATION, ORGANIC SUBSTANCE AND SOIL EFFECTIVE CTC, BY MEANS OF AN APPLICATION OF A HIGH IODINE DOSES FROM SEWER IN DIFFERENT IRRIGATION INTERVALS”, Green Journal, vol. 4, no. 2, pp. 31–38, Mar. 2009.