Mafra, Maria Sueli Heberle, et al. “Soil Chemical Attributes and Nutrition State of Cabernet Sauvignon (Vitis Vinifera L.) Grapevine Santa Catarina High Lands”. Revista De Ciências Agroveterinárias, vol. 10, no. 1, Oct. 2011, pp. 44-53, https://periodicos.udesc.br/index.php/agroveterinaria/article/view/5269.