"Organische spectroscopie." . . "Infrarotspektroskopie." . . "Infrarot-Spektrum." . . "fysicochemie." . . . . . . . . . . "Infra-red spectra and structure of organic long-chain polymers"@en . "Infra-red spectra and structure of organic long-chain polymers" . . . . . . . . . . . . "Infra-red spectra and structure of organic longchain polymers" . . . . . . . . "Infrared spectra and structure of organic long chain polymers" . . . . "Infrakrasnye spektry i struktura polimerov" . . . . . . . . . . . . "Espectrometría infrarroja." . . . . "Espectros infrarrojos." . . "Polymers." . . "Polímeros." . . "Infrared spectra." . . "Polymere." . . "Struktur." . . "Macromoleculen." . . "Spectrum Analysis." . . "Polymères, Analyse spectragraphique." . .