The ASPRO chronology is a nine-period dating system of the ancient Near East used by the Maison de l'Orient et de la Méditerranée for archaeological sites aged between 14,000 and 5,700 BP.First published in 1994, ASPRO stands for the "Atlas des sites du Proche-Orient", a French publication pioneered by Francis Hours and developed by other scholars such as Olivier Aurenche. Wikipedia