@book{ BA4075876X, author = "Fresenius, Th. Wilhelm (Theodor Wilhelm) and Fresenius, C. Remigius and Mitchell, C. Ainsworth (Charles Ainsworth), b. 1867", title = "Introduction to qualitative chemical analysis", publisher = "J. Wiley", year = "1921", edition = "17th ed. of the original work / by C. Remigius Fresenius ; translated by C. Ainsworth Mitchell", URL = "https://ci.nii.ac.jp/ncid/BA4075876X" }