Hahn, Thilo, Hey-Hawkins, Evamarie, Hilder, Matthias, Junk, Peter C., and Smith, Matthew K. (2004) Synthesis and structural studies of heteroleptic complexes of ytterbium(III) involving aryloxy- or alkoxy- and cyclodipentadienyl ligands. Inorganica Chimica Acta, 357 (7). pp. 2125-2133.