"Just look up, we are all under the same starry sky." - unknown
* Light Pollution and Lighting Codes: An Analysis of the Light Pollution Control Effectiveness of the IDA-IES Model Lighting Ordinance and the IDA Pattern Outdoor Lighting Code U.S. Naval Observatory Flagstaff Station January 2013
* Light Pollution in the USA and Europe: the good, the bad and the ugly. Published in Science Direct for the October 2019 issue.