Partelli, F.L., Vieira, H.D., Ferreira, E.P. de B., Viana, A.P., Espindola, J.A.A., Urquiaga, S. e Boddey, R.M. 2011. Biologic dinitrogen fixation and nutrient cycling in cover crops and their effect on organic Conilon coffee. Semina: Ciências Agrárias. 32, 3 (ago. 2011), 995–1006. DOI:https://doi.org/10.5433/1679-0359.2011v32n3p995.