1. The Early Years of 2,2’-Bipyridine—A Ligand in Its Own Lifetime;Molecules;2019-10-31
2. Complexes of iron(II), nickel(II), and tin(IV) chlorides with hydrazine derivatives;Inorganic Chemistry;1972-01
3. METAL CHELATES;Analytical Applications of 1,10-phenanthroline and Related Compounds;1969
4. Eisen;Elemente der Achten Nebengruppe;1956
5. Eisen;Elemente der Achten Nebengruppe I;1956