@book{ BA11940486, author = "Hatch, F. H. (Frederick Henry) and Wells, A. K. (Alfred Kingsley)", title = "Petrology of the igneous rocks", publisher = "G. Allen & Unwin,Macmillan", year = "1926", edition = "8th ed. / revised with the assistance of A.K. Wells", series = "Text-book of petrology", number = "v. 1", URL = "https://ci.nii.ac.jp/ncid/BA11940486" }