Collatz, K.G.; Mommsen, T. (1975). "Physiological conditions and variations of body constituents during the moulting of the spider Tegenaria atrica C.L. Koch (Agelenidae)". Comparative Biochemistry and Physiology. 52 (3): 465–475. doi:10.1016/S0300-9629(75)80067-3. PMID241544.
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ni.is
"Skemmukönguló (Eratigena atrica)". Náttúrufræðistofnun Íslands (in Icelandic). Icelandic Institute of Natural History. Archived from the original on 2017-10-11. Retrieved 2017-10-11.
Collatz, K.G.; Mommsen, T. (1975). "Physiological conditions and variations of body constituents during the moulting of the spider Tegenaria atrica C.L. Koch (Agelenidae)". Comparative Biochemistry and Physiology. 52 (3): 465–475. doi:10.1016/S0300-9629(75)80067-3. PMID241544.
"Skemmukönguló (Eratigena atrica)". Náttúrufræðistofnun Íslands (in Icelandic). Icelandic Institute of Natural History. Archived from the original on 2017-10-11. Retrieved 2017-10-11.