Further studies into the reactivity and coordination chemistry of [Ge 9] 4- Zintl ions. The indium-containing anions [In(Ge 9) 2] 5-, [(Ge 9) 2In(C 6H 5)] 4- and [Ge 9In(C 6H 5) 3 2] 4- - Hansen, D; Zhou, B; Goicoechea, J (Journal of Organometallic Chemistry, 2012)