Bisfulvalenediiron [fe(III)-fe(III)] -bis-tetrafluoroborate: evidence for metal-metal interactions through the π-ligands of a metallocenophane.Ulrich T. Mueller-WesterhoffPeter Eilbracht1973Tetrahedron Letters
Metallocenes from fulvenes : A new synthesis of functionally substituted ferrocenesUlrich Mueller-Westerhoff1972Tetrahedron Letters