@article {6667,
	title = {"Stability of Ti and Zr Anodic Films in Nitric Acid solutions -  EIS  Comparative Study " .},
	journal = {Bull.Electrochem., },
	volume = {12},
	year = {1996},
	pages = {505},
	author = {F. M. Al- Kharafi and W. A. Badawy}
}
