STRUCTURAL INVESTIGATIONS ON Al7(Mn0.7Fe0.3)2 AND Al4 Pd DECAGONAL QUASI CRYSTALS BY FIM G.P.E.M. VAN BAKEL, P.M. BRONSVELD et J.TH.M. DE HOSSON J. Phys. Colloques, 50 C8 (1989) C8-265-C8-269 DOI: 10.1051/jphyscol:1989845