Do you know who you are doing business with?: Signatures in a digital age 
Subtitle: hearing before the Committee on Science, Subcommittee on Technology, U.S. House ... Congress, first session, October 28, 1997
Publisher: For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office
Published: 1997
Language: eng
Number of pages: 131
ISBN-13: 9780160560071