The Wayback Machine - https://web.archive.org/web/20210930171339/https://www.researchgate.net/profile/Dennis-Etler-2/publication/269709728_Homo_erectus_in_East_Asia_Human_Ancestor_or_Evolutionary_Dead-End/links/54948b9a0cf2ec133758194c/Homo-erectus-in-East-Asia-Human-Ancestor-or-Evolutionary-Dead-End.pdf