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<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30766804#Topic/coal> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/contributor> <http://viaf.org/viaf/134886188> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85085712> .
<http://worldcat.org/entity/work/id/30766804> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/CreativeWork> .
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<http://worldcat.org/entity/work/id/30766804> <http://schema.org/contributor> <http://viaf.org/viaf/139046020> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85027364> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/contributor> <http://id.loc.gov/authorities/names/n82030776> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/name> "Less-conventional underground coal mining" .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/name> "Less-conventional underground coal mining"@en .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/contributor> <http://id.loc.gov/authorities/names/n79091523> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/30766804#Topic/minas_de_carbon> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/creator> <http://worldcat.org/entity/person/id/2628828302> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85085614> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/contributor> <http://viaf.org/viaf/123825868> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://id.worldcat.org/fast/865355> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/about> <http://id.worldcat.org/fast/1022890> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/workExample> <http://www.worldcat.org/oclc/433227700> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/contributor> <http://id.loc.gov/authorities/names/n81052393> .
<http://worldcat.org/entity/work/id/30766804> <http://schema.org/workExample> <http://www.worldcat.org/oclc/28692059> .
<http://experiment.worldcat.org/entity/work/data/30766804.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Works> .
<http://experiment.worldcat.org/entity/work/data/30766804.nt> <http://schema.org/about> <http://worldcat.org/entity/work/id/30766804> .
<http://experiment.worldcat.org/entity/work/data/30766804#Topic/minas_de_carbon> <http://schema.org/name> "Minas de carbón." .
<http://experiment.worldcat.org/entity/work/data/30766804#Topic/minas_de_carbon> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Topic> .
<http://experiment.worldcat.org/entity/work/data/30766804#Topic/coal> <http://schema.org/name> "Coal." .
<http://experiment.worldcat.org/entity/work/data/30766804#Topic/coal> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Topic> .
<http://experiment.worldcat.org/entity/work/data/30766804#Topic/tecnologia_minera> <http://schema.org/name> "Tecnología minera." .
<http://experiment.worldcat.org/entity/work/data/30766804#Topic/tecnologia_minera> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Topic> .