<http://ns.inria.fr/covid19/PMC7132379#body_text>	<http://purl.org/dc/terms/subject>	"Military sonar equipment of the United Kingdom" .
<http://ns.inria.fr/covid19/PMC7132379#body_text>	<http://purl.org/dc/terms/subject>	"Bioenergy" .
<http://ns.inria.fr/covid19/PMC7132379#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .