About: http://webisa.webdatacommons.org/437473148

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 has also long been known that films, fibres and other moulded products can be produced from cellulose derivatives such as cellulose ethers and esters (Ullmann's 246, published by Verlag Chemie, Weinhein, 1976).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com