Zeitschriftenartikel
            Favre, M.; Landolt, D.; Hoffman, K.; Stratmann, M.:  Influence of Gallic Acid on the Phase Transformation in Iron Oxide Layers below Organic Coatings studied with Moessbauer Spectroscopy. Corrosion Science 
40, 4-5, S. 793 - 803 (1998)