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<http://webisa.webdatacommons.org/68631397>	<http://www.w3.org/ns/prov#value>	"It will be understood by a person skilled in the art that other methods of constructing time-varying references signals can be more appropriate, depending on the application, system and other parameters." .
<http://webisa.webdatacommons.org/68631397>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/420926709>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/68631397> .