Stahl, Ann Brower (April 1984): «Hominid Dietary Selection Before Fire» i: Current Anthropology (University of Chicago Press) 25 (2): 151–168. doi:10.1086/203106.
Luke, Kim: «Evidence That Human Ancestors Used Fire One Million Years Ago», ScienceDaily 2. april 2012. Sitat: «An international team led by the University of Toronto and Hebrew University has identified the earliest known evidence of the use of fire by human ancestors. Microscopic traces of wood ash, alongside animal bones and stone tools, were found in a layer dated to one million years ago.»
