IDA Annual Reports
2019 IDA Annual Report: Nightscape 101
2017 IDA Annual Report: Celebrating 30 Years
2016 IDA Annual Report: Nightscape #98
2015 IDA Annual Report: Nightscape #96
2014 IDA Annual Report: Nightscape #94
2013 IDA Annual Report: Nightscape Issue #92
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IDA Study on Blue-Rich White Light
Read the full study:
IDA Guidelines for Community Friendly Outdoor Sports Lighting