Backeljau, T.; Van Beeck, M. (1986). "Epiphallus anatomy in the Arion hortensis species aggregate (Mollusca, Pulmonata)". Zoologica Scripta. 15: 61–68. doi:10.1111/j.1463-6409.1986.tb00209.x. S2CID84574780.
Glen, D.M.; Milsom, N.F.; Wiltshire, C.W. (1989). "Effects of seed‐bed conditions on slug numbers and damage to winter wheat in a clay soil". Annals of Applied Biology. 115 (1): 177–190. doi:10.1111/j.1744-7348.1989.tb06825.x.
Skujienė, G. (2004). "Arion distinctus Mabille, 1868 (Gastropoda: Pilmonata: Arionidae) in Lithuania". Acta Zoologica Lituanica. 14 (2): 71–76. doi:10.1080/13921657.2004.10512582.
Backeljau, T.; Van Beeck, M. (1986). "Epiphallus anatomy in the Arion hortensis species aggregate (Mollusca, Pulmonata)". Zoologica Scripta. 15: 61–68. doi:10.1111/j.1463-6409.1986.tb00209.x. S2CID84574780.