“Aging, Eye Movements, and Object-Location Memory,” by Shui-I Shih, Katie L. Meadmore, and Simon P. Liversedge (PLoS ONE 7(3): e33485. doi:10.1371/journal.pone.0033485, XML, HTML, and .pdf format, 7p.).
www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0033485