1. Alfimov, A.V., Distribution of Minimum Temperatures in the Surface Soil Layer under the Snow Cover in Northern Eurasia, Eurasian Soil Sci., 2005, no. 4, pp. 384–391.
2. Bale, J.S., Supercooling Characteristics of Adults, Juveniles, and Eggs of the Slug Deroceras reticulatum (Mull), Cryo-Letters, 1985, vol. 6, no. 6, pp. 400–401.
3. Barnes, H.F. and Weil, J.W., Slugs in Gardens: Their Numbers, Activities and Distribution, Part I, J. Anim. Ecol., 1944, vol. 13, pp. 140–175.
4. Barnes, H.F. and Weil, J.W., Slugs in Gardens: Their Numbers, Activities and Distribution, Part II, J. Anim. Ecol., 1945, vol. 14, pp. 71–105.
5. Bett, J.A., The Breeding Seasons of Slugs in Garden, Proc. Zool. Soc. London, 1960, vol. 135, pp. 559–568.