PHOTOELECTRON STUDY OF ELECTRON-RICH IRON(I) CYCLOPENTADIENYL ARENE COMPLEXES AND OF THE RELATED IRON(II) CYCLOPENTADIENYL CYCLOHEXADIENYL COMPLEXES - Green, J; Kelly, M; Payne, M; Seddon, E; Astruc, D; Hamon, J; Michaud, P (1983)