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)(2)In(C6H5)](4-) and [Ge-9In(C6H5)(3)(2)](4-) - Hansen, D; Zhou, B; Goicoechea, J (JOURNAL OF ORGANOMETALLIC CHEMISTRY, 2012)