Brienza Júnior, Silvio, et al. “Planting of Fast-Growing Trees for Recovery of Agricultural Areas in the Eastern of Brazilian Amazon: Studying Case of Maize and Cassava Prdution”. Pesquisa Florestal Brasileira, vol. 31, no. 68, Oct. 2011, p. 347, https://doi.org/10.4336/2011.pfb.31.68.347.