. . . . . . . "Elementary infrared spectroscopy : [an elementary and concise introduction to the principles and techniques of infrared spectroscopy]" . . "Elementary infrared spectroscopy" . "Elementary infrared spectroscopy"@en . . . . . "Elementary infra-red spectroscopy"@en . . . . . . . . . . . . . . "Spectroscopie infrarouge." . . "AnĂ lisi espectral." . . "Infrarotspektroskopie 0 Gesamtdarstellung." . . "Infraroodspectrometrie." . . . . "Espectroscopia infrarroja." . . "Raigs infraroigs." . .