About: http://webisa.webdatacommons.org/409415244

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	This is the study of Van Hissink in 1900, followed by research Vriens 1910 that in addition to the type of soil as there was again found that specific types of clay.
http://www.w3.org/ns/prov#wasQuotedFrom	ib-article.com