About: http://webisa.webdatacommons.org/363850929

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	It is the source from which several later writers drew their material, and is particularly valuable in showing the nature of the practical problems of the time.
http://www.w3.org/ns/prov#wasQuotedFrom	historyofscience.com