COLZATO, MARINA, et al. “ IDENTIFICATION OF OXIDATION PRODUCTS IN EDIBLE OIL BY MEANS OF 1H NMR SPECTROSCOPY”. Revista Brasileira De Engenharia De Biossistemas, vol. 3, no. 3, Nov. 2009, pp. 259-68, doi:10.18011/bioeng2009v3n3p259-268.