Gilroy, J. B.; Patra, S. K.; Mitchels, J. M.; Winnik*, M. A.; Manners*, I. Main Chain Heterobimetallic Block Copolymers: Synthesis And Self-Assembly Of Polyferrocenylsilane-B-Poly(Cobaltoceniumythylene). Ang. Chem and Int 2011, 50, 5851?5855.