Becker W., Lyhne N., Pedersen A. N., Aro A., Fogelholm M., Phórsdottir P., Alexander J., Anderssen S. A., Meltzer H. M., and Pedersen J. I. “Nordic Nutrition Recommendations2004 - Integrating Nutrition and Physical Activity”. Food & Nutrition Research, vol. 48, no. 4, Jan. 2008, pp. 178-87, doi:10.3402/fnr.v48i4.1633.