Computer Retrieval of Information on Scientific Projects Thesaurus Material Element Source
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#Element http://purl.bioontology.org/ontology/CSP/0631-2320 LOOM
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#AlkaliMetal http://purl.bioontology.org/ontology/CSP/1852-5946 LOOM
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#Metal http://purl.bioontology.org/ontology/CSP/1852-5843 LOOM
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#RareEarthElement http://purl.bioontology.org/ontology/CSP/1853-0057 LOOM
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#HeavyMetal http://purl.bioontology.org/ontology/CSP/1852-7783 LOOM
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#Halogen http://purl.bioontology.org/ontology/CSP/4000-0196 LOOM
http://sweet.jpl.nasa.gov/2.3/matrElement.owl#AlkalineEarthMetal http://purl.bioontology.org/ontology/CSP/1852-6255 LOOM
http://sweet.jpl.nasa.gov/2.3/matr.owl#Chemical http://purl.bioontology.org/ontology/CSP/4000-0145 LOOM
http://sweet.jpl.nasa.gov/2.3/matr.owl#Chemical http://purl.bioontology.org/ontology/STY/T103 LOOM