@conference {209,
	title = {GSM Security Using Standard Encryption Algorithm},
	booktitle = {GSM Security Using Standard Encryption Algorithm{\textquotedblright}, ICCTA 2007},
	year = {2007},
	month = {September },
	address = {Alexandria},
	author = {Imane Aly Saroit and Imane Aly Saroit and Mohamed Mahmoud Abd-ElDayem}
}
