cldf_id,cldf_description,cldf_targetParameterReference,cldf_sourceParameterReference,cldf_edgeIsDirected,Source,Target,Forms,Varieties,Languages,Families
IRON-COPPER,,1825,621,1,IRON,COPPER,13,13,13,10
RED-COPPER,,1825,156,1,RED,COPPER,9,9,9,8
YELLOW-COPPER,,1825,1424,1,YELLOW,COPPER,6,6,6,5