<http://webisa.webdatacommons.org/prov/29442523>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/150265617> .
<http://webisa.webdatacommons.org/150265617>	<http://www.w3.org/ns/prov#value>	"FIG. 4a is a schematic diagram of the current difference amplifier of FIG. 4; and" .
<http://webisa.webdatacommons.org/150265617>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/150265617>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .