1. 8) S. E. HADDEN : J. Iron Steel Inst., 171 (1952), p. 121
2. 9) W. RÄDEKER : Metalloberfläche., 12 (1958), p. 102
3. 12) H. BABLIK : Galvanizing (Hot-Dip), 3 rd Edition (1950) [E & F. N. SPON Ltd., London]
4. 13) W. RADEKER and W. FRIEHE : Bänder Bleche Rohre, 8 (1967), p. 13
5. 14) W. RÄDEKER and W. FRIEHE : 7 th Int. Conf. on Hot Dip Galv., Paris (1964), p. 167