@conference {6644,
	title = {      "Corrosion  and   Passivation  of  Al  and  Some  Al-alloys - EIS Investigation ". },
	booktitle = {Proceedings of the Seventh           International Symposium on Passivity, Aug. 21-26 (1994), Clausthal, Germany .   },
	year = {1994},
	month = {21 August },
	address = {Clausthal, Germany},
	author = {W. A. Badawy and F. M. Al- Kharafi and Kh. M. Ismail}
}
