de Lima, C. P., L. T. Büll, C. Backes, L. J. Grava Godoy, and T. A. Manabe Kiil. “Yield and Quality of Vernalized Garlic As Affected by Nitrogen Rates”. Científica, vol. 36, no. 1, July 2009, pp. 48-55, doi:10.15361/1984-5529.2008v36n1p48 - 55.