<http://webisa.webdatacommons.org/120321463>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/120321463>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/120321463>	<http://www.w3.org/ns/prov#value>	"FIG. 8 shows a system including two cameras each of which produces an image signal at a rate of 262.5 lines ???60 field/sec (hereinafter referred to as an NTSC signal)." .
<http://webisa.webdatacommons.org/prov/384977030>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/120321463> .