<http://webisa.webdatacommons.org/195547944>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/195547944>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .
<http://webisa.webdatacommons.org/prov/302431249>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/195547944> .
<http://webisa.webdatacommons.org/195547944>	<http://www.w3.org/ns/prov#value>	"The physics of electrons and electronic devices, including vacuum tubes, diodes," .
<http://webisa.webdatacommons.org/prov/158799852>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/195547944> .