Bevilacqua, C. B., C. T. Borges, E. Venske, A. da S. Almeida, and P. D. Zimmer. “Biomass Accumulation and Chlorophyll Content in Rice Cultivars Seedlings under Cold Stress”. Scientia Agraria Paranaensis, vol. 14, no. 4, Dec. 2015, pp. 229-33, doi:10.18188/sap.v14i4.12252.