ShekhovtsovS. V., BermanD. I., BulakhovaN. A., MakarovaO. L., and PeltekS. E. “Phylogeography of Earthworms from High Latitudes of Eurasia”. Acta Zoologica Academiae Scientiarum Hungaricae, Vol. 64, no. 4, Sept. 2018, pp. 369-82, doi:10.17109/AZH.64.4.369.2018.