Cooperative reduction by Ln2+ and Cp∗- ions: Synthesis and properties of Sm, Eu, and Yb complexes with 3,6-di-tert-butyl-o-benzoquinone - Pushkarevsky, Nikolay A.; Ogienko, Mikhail A.; Smolentsev, Anton I.; Novozhilov, Igor N.; Witt, Alexander; Khusniyarov, Marat; Cherkasov, Vladimir K.; Konchenko, Sergey N. (Dalton Transactions, 2016)