"Fire was used by Homo erectus in northern China more than 400,000 years ago, and there is sketchy evidence suggesting that it may have been used long before that (Gowlett, 1984, pp. 181-82)." Price, David. "Energy and Human Evolution". Arkiveret fra originalen 17. juni 2012. Hentet 2007-11-12.
"Fire was used by Homo erectus in northern China more than 400,000 years ago, and there is sketchy evidence suggesting that it may have been used long before that (Gowlett, 1984, pp. 181-82)." Price, David. "Energy and Human Evolution". Arkiveret fra originalen 17. juni 2012. Hentet 2007-11-12.