Intercomparisons of Nine Sky Brightness Detectors. - Peter den Outer; Dorien Lolkema; Marty Haaima; Rene van der Hoff; Henk Spoelstra; Wim Schmidt (Sensors, 2011)

Stability of the Nine Sky Quality Meters in the Dutch Night Sky Brightness Monitoring Network. - Peter den Outer; Dorien Lolkema; Marty Haaima; Rene van der Hoff; Henk Spoelstra; Wim Schmidt (Sensors, 2015)