NASA tech briefs : engineering solutions for design & manufacturing
NASA tech briefs : engineering solutions for design & manufacturing
NASA Tech Briefs, October 2004
Tech Briefs Who's Who at NASA - Dr. Andrew Watson
NASA Tech Briefs, November 2002
NASA Tech Briefs, October 2002
NASA Tech Briefs, February 2002
NASA Tech Briefs, September 2002
NASA Tech Briefs, January 2001