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2. Reference year for Dutch greenhouses;Breuer;Acta Horticulturae,1989
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4. de Zwart, H.F. (1996). Analyzing energy-saving options in green-house cultivation using a simulation model. Ph.D. thesis, Wageningen Agricultural University, Wageningen, The Netherlands. 236 p.
5. Körner, O. (2003). Crop based climate regimes for energy saving in greenhouse cultivation. Ph.D. thesis, Wageningen University, Wageningen, The Netherlands. 240 p.