Serrano, L.A.L. et al. 2007. ’Paluma’ guava trees under different cultivation systems, times and intensities of fructification pruning. Pesquisa Agropecuaria Brasileira. 42, 6 (Jun. 2007), 785–792. DOI:https://doi.org/10.1590/S1678-3921.pab2007.v42.7631.