"Rafael" . "Sparse signals"@en . . . "Quadratic mixing model"@en . "027b1a1bac28e6682e0a0992dbda0a40" . "Rafael Assato Ando" . <253134870> . "Nonlinear mixtures"@en . . "Blind source separation"@en . . "Assato Ando" . "Chemical sensor arrays"@en . "Ion-selective electrodes"@en .