<http://webisa.webdatacommons.org/concept/fig_21a_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"21a" .
<http://webisa.webdatacommons.org/concept/fig_21a_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"fig" .
<http://webisa.webdatacommons.org/concept/fig_21a_>	<http://www.w3.org/2000/01/rdf-schema#label>	"fig 21a" .