Enhancing E-commerce Security Using GSM Authentication.

Vorapranee Khu-smith Chris J. Mitchell Enhancing E-commerce Security Using GSM Authentication. 72-83 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2738&spage=72 2003 conf/ecweb/2003 EC-Web db/conf/ecweb/ecweb2003.html#Khu-smithM03