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Author Title Year Publication (down) Volume Pages
Stoffels, W.W. Gravity's pull on arc lamp efficiency 2006 Europhysics News 37 35-38
Laaksonen, J.; Laaksonen, T.; Itämies, J.; Rytkönen, S.; Välimäki, P. A new efficient bait-trap model for Lepidoptera surveys – the “ Oulu ” model. 2006 Entomologica Fennica 17 153–160
Fouquet, R.; Pearson, P.J. Seven centuries of energy services: The price and use of light in the United Kingdom (1300-2000) 2006 Energy Journal 27 139-177
Fisher, N.A. Reclaiming the „Dark Sky“. 2006 Electrical Contracting Products 9 30–31
IDA Dark-Sky Park Program 2006 edited by International Dark-Sky Association 11