About: http://webisa.webdatacommons.org/56119664

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	Although textbooks are a great source of information, they tend to be collaborative with hundreds of chapters, each written by a different author and often years out of date by the time they are printed.
http://www.w3.org/ns/prov#wasQuotedFrom	freereferral.com