[1]
Vieira, R.F. and Cardoso, A.A. 2003. Variation on the quantity of mineral nitrogen in a soil amended with sewage sludge. Pesquisa Agropecuaria Brasileira. 38, 7 (Jul. 2003), 867–874. DOI:https://doi.org/10.1590/S1678-3921.pab2003.v38.6647.