TY - JOUR T1 - Multivariate quality control of lubricating oils using Fourier transform infrared spectroscopy JO - Journal of the Brazilian Chemical Society A1 - Borin, Alessandra A1 - Poppi, Ronei Jesus SN - 0103-5053 UL - 10.1590/S0103-50532004000400020 VL - 15 Y1 - 2004 PB - Brasil ER -