organization_name,is_producer,is_authority,attribution_url
TokyoRailGTFS script (written by Mikołaj Kuranowski),1,0,https://github.com/MKuranowski/TokyoGTFS/attributions.md
Public Transportation Open Data Center,0,1,https://github.com/MKuranowski/TokyoGTFS/attributions.md
