C. L. Gandim, D. R. Guimaraes, and L. F. Thomazelli, “Characterization of four onion varieties released in Santa Catarina State, Brazil”, PAB, vol. 29, no. 12, pp. 1941–1945, Dec. 1994, doi: 10.1590/S1678-3921.pab1994.v29.4252.