Andruid Kerne Steven M. Smith Hyun Choi Ross Graeber Daniel Caruso Evaluating navigational surrogate formats with divergent browsing tasks. 1537-1540 2005 conf/chi/2005a CHI Extended Abstracts http://doi.acm.org/10.1145/1056808.1056960 db/conf/chi/chi2005a.html#KerneSCGC05