T. M. R. de Carvalho, D. J. de Moura, Z. M. de Souza, G. S. de Souza, and L. G. de F. Bueno, “Litter and air quality in different broiler housing conditions”, PAB, vol. 46, no. 4, pp. 351–361, Jun. 2011, doi: 10.1590/S1678-3921.pab2011.v46.9330.