mapping_version.rb revision 00c175adc24043fbcd4cd5e3769c9d13e31ff831
16c89b1260c9d07c01c83a9219424d3727069b2eTimo Sirainen belongs_to :source, class_name: 'OntologyVersion'
16f816d3f3c32ae3351834253f52ddd0212bcbf3Timo Sirainen belongs_to :target, class_name: 'OntologyVersion'