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