<http://webisa.webdatacommons.org/43642482>	<http://www.w3.org/ns/prov#value>	"in which B is a constant depending upon the material and upon the thickness." .
<http://webisa.webdatacommons.org/43642482>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .
<http://webisa.webdatacommons.org/43642482>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/472385302>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/43642482> .