<http://ns.inria.fr/covid19/PMC7108749#body_text>	<http://purl.org/dc/terms/subject>	"ZX Spectrum" .
<http://ns.inria.fr/covid19/PMC7108749#body_text>	<http://purl.org/dc/terms/subject>	"Fifth Colvmn Records albums" .
<http://ns.inria.fr/covid19/PMC7108749#body_text>	<http://purl.org/dc/terms/subject>	"Numerical software" .