"Química analítica." . . "Compuestos orgánicos." . . "Analyse qualitative (Chimie)" . . . . "Qualitative organic analysis: an elementary course in the identification of organic compounds" . . . "Qualitiative organic analysis : an elementary course in the identification of organic compounds"@en . . . "Qualitative organic analysis; an elementary course in the identification of organic compounds" . "Qualitative organic analysis; an elementary course in the identification of organic compounds"@en . . . . . . . . "Qualitative organic analysis"@en . . . . "Qualitative Organic Analysis. An elementary course, etc"@en . . . "qualitative organic analysis"@en . . . . . . "Qualitative organic analisis : an elementary course in the identification of organic compounds" . . . . "Elementary course in the identification of organic compounds" . . . . "Qualitative organic analysis : an elementary course in the identification of organic compounds"@en . "Qualitative organic analysis : an elementary course in the identification of organic compounds" . "Qualitative organic analysis an elementary course in the identification of organic compounds" . . . "Qualitative organic analysis an elementary course in the identification of organic compounds"@en . . . . "Chimie organique." . .