However, these biface-makers were also technologically conservative, and used least-effort strategies of resource procurement and tool transport.
Ceri Shipton, James Blinkhorn, Paul S. Breeze, Patrick Cuthbertson, Nick Drake, HuwS. Groucutt, Richard P. Jennings, Ash Parton, Eleanor M. L. Scerri, Abdullah Alsharekh,Michael D. Petraglia 2018, 'Acheulean technology and landscape use at Dawadmi, central Arabia', PLOS ONE10.1371/journal.pone.0200497. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)