Heteronuclear bipyrimidine-bridged Ru-Ln and Os-Ln dyads: low-energy 3MLCT states as energy-donors to Yb(III) and Nd(III). - Lazarides, T; Adams, H; Sykes, D; Faulkner, S; Calogero, G; Ward, MD (Dalton transactions (Cambridge, England : 2003), 2008)