(1)
Fertonani, H. C. R.; Scabio, A.; Schemin, M. H. C.; Carneiro, E. B. B.; Nogueira, A.; Wosiacki, G. Influence of Acid Concentration on Extraction and Quality of Apple Pomace Pectin. Semina: Ciênc. Agrár. 2006, 27, 599-612.