Bonatto de Azambuja Gerhardt, Liliane, Ivo Manica, Henrique Kist, and Roberto Luiz Sieler. 1997. “Physico-Chemical Characteristics of Fruits on Four Cultivars and Three Clones of Guava Trees in Porto Lucena, RS”. Pesquisa Agropecuaria Brasileira 32 (2):185-92. https://doi.org/10.1590/S1678-3921.pab1997.v32.4623.