“Aspects of Facial Contrast Decrease with Age and Are Cues for Age Perception,” by Aurelie Porcheron, Emmanuelle Mauger, and Richard Russell (PLoS ONE 8(3): e57985. doi:10.1371/journal.pone.0057985, XML, HTML, and .pdf format, 8p.).
www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0057985
