Setälä, H., Laakso, J., Mikola, J., Huhta, V. (1998): Functional diversity of decomposer organisms in relation to primary production. Applied Soil Ecology, 9: 25-31.
Severns, P.M. (2009): A conspicuous, water-resistant ink for marking terrestrial snails. Journal of Molluscan Studies, 75: 93–94.
Seyfulina, R.R. (2004): Spatial distribution of spiders (Arachnida: Araneae) in agroecosystems of the European part of Russia. In: Logunov, D.V., Penney, D. (eds): European Arachnology 2003. KMK Scientific Press Ltd, Moscow, 376 pp. Arthropoda Selecta (Special Issue No. 1, 2004): 275–292.
