William Birmingham Bryan Pardo Colin Meek Jonah Shifrin Corporation for National Research Initiatives February 2002 article 10.1045/february2002-birmingham http://www.dlib.org/dlib/february02/birmingham/02birmingham.html English D-Lib Magazine 1082-9873 8 2 William Birmingham, Bryan Pardo, Colin Meek, and Jonah Shifrin