Carlos Monroy Rajiv Kochumman Richard Furuta Eduardo Urbina Interactive Timeline Viewer (ItLv): A Tool to Visualize Variants Among Documents. 39-49 2002 conf/jcdl/2002vidl Visual Interfaces to Digital Libraries http://link.springer.de/link/service/series/0558/bibs/2539/25390039.htm db/conf/jcdl/vidl2002.html#MonroyKFU02