WASET
Skön, J. , Johansson, M. , Raatikainen, M. , Leiviskä, K. , Kolehmainen, M.. "Modelling Indoor Air Carbon Dioxide (CO2)Concentration using Neural Network". World Academy of Science, Engineering and Technology, Open Science Index 61, International Journal of Environmental and Ecological Engineering (2012), 6(1), 37 - 41.