Björkman , M. P., E. Morgner, R. G. Björk, E. J. Cooper, B. Elberling, and L. Klemedtsson. “A Comparison of Annual and Seasonal Carbon Dioxide Effluxes Between Sub-Arctic Sweden and High-Arctic Svalbard”. Polar Research, vol. 29, no. 1, Apr. 2010, pp. 75-84, doi:10.3402/polar.v29i1.6051.