Björkman M. P., Morgner E., Björk R. G., Cooper E. J., Elberling B. and Klemedtsson L. (2010) “A comparison of annual and seasonal carbon dioxide effluxes between sub-Arctic Sweden and High-Arctic Svalbard”, Polar Research, 29(1), pp. 75-84. doi: 10.3402/polar.v29i1.6051.