Castañeda, Cristian Santiago, Pedro José Almanza-Merchán, Elberth Hernando Pinzón, German Eduardo Cely, and Pablo Antonio Serrano. “Chlorophyll Concentration Estimation Using Non-Destructive Methods in Grapes (Vitis Vinifera L.) Cv. Riesling Becker”. Revista Colombiana de Ciencias Hortícolas 12, no. 2 (May 1, 2018): 329–337. Accessed December 2, 2021. https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7566.