W. Paris, R. Marchesan, P. E. F. Prohmann, L. F. G. de Menezes, J. Zanotti, and D. V. Hartmann, “Use of slow release urea in the mineral supplementation of beef cattle Tifton-85 pasture”, Semina: Ciênc. Agrár., vol. 34, no. 1, pp. 409–418, Mar. 2013.