@book{ BA07714450, author = "Forsberg, John H. and Moeller, Therald", title = "Coordination compounds", publisher = "Springer-Verlag", year = "1980", series = "Gmelins Handbuch der anorganischen Chemie / herausgegeben von der Deutschen Chemischen Gesellschaft", number = "System-Nr. 39 . Sc, Y, La-Lu : rare earth elements ; pt. D 1", URL = "https://ci.nii.ac.jp/ncid/BA07714450" }