Ávila-Jiménez M. L., Coulson S. J., Solhøy T., and Sjöblom A. “Overwintering of Terrestrial Arctic Arthropods: The Fauna of Svalbard Now and in the Future”. Polar Research, vol. 29, no. 1, Apr. 2010, pp. 127-3, doi:10.3402/polar.v29i1.6049.