additional sourceAttems, C. M. T. Graf von. (1914). Afrikanische Spirostreptiden nebst Überblick über die Spirostreptiden orbis terrarum. <em>Zoologica (Stuttgart).</em> 25(65-66): 1-235. Stuttgart., available online athttps://www.zobodat.at/pdf/Zoologica_25_65-66_0001-0233.pdf page(s): 200 [details]
additional sourceStrouhal, H. (1961). Hofrat Dr. Carl Graf Attems zum Gedenken. Annalen des Naturhistorischen Museums in Wien, 64: 1-38. Wien page(s): 190; note: citation of species name [details]
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