About: http://webisa.webdatacommons.org/29835485

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	In spite of this, a study of the literature shows that very little attention has been paid to the problem, except perhaps that which is described in the limited studies made by the senior author of the present article and his colleagues.
http://www.w3.org/ns/prov#wasQuotedFrom	unodc.org