V. C. P. da Silva, M. M. Bettoni, C. Bona, e L. A. Foerster, “<b>Morphological and chemical characteristics of onion plants (<i>Allium cepa</i&gt; L.) associated with resistance to onion thrips”, Acta Sci. Agron., vol. 37, nº 1, p. 85-92, nov. 2014.