<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://creativecommons.org/ns#attributionURL> <http://www.freebase.com/view/guid/9202a8c04000641f800000000ba217ee>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/common.topic>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/chemistry.atomic_mass>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://rdf.freebase.com/ns/chemistry.atomic_mass.uncertainty> "2e-06"^^<http://www.w3.org/2001/XMLSchema#float>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://creativecommons.org/ns#attributionName> "Source: Freebase - The World's database".
<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://www.w3.org/1999/xhtml/vocab#license> <http://creativecommons.org/licenses/by/3.0/>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f800000000ba217ee> <http://rdf.freebase.com/ns/chemistry.atomic_mass.mass> "4.002602"^^<http://www.w3.org/2001/XMLSchema#float>.