About: http://webisa.webdatacommons.org/281555137

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The thesis is a good mix of archeology, sociology and economy, and sounds quite strong to explain the collapses of various societies.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.fr