1. Anodic Oxide Films;Young,1961
2. Werkstoff Aluminium und seine Anodische Oxydation;Schenk,1948
3. The Surface Treatment and Finishing of Aluminium and its Alloys;Wernick,1964
4. Processes for the Anodic Oxidation of Aluminium and Aluminium Alloy Parts, DTD 910C, H.M.S.O.: London, 1951.