original description
(of Polydesmus zonkowi planinensis Gulička, 1967) Gulička, J. (1967). Neue und interessante Diplopoden aus Bulgarien. <em>Annotationes zoologicae et botanicae.</em> 39: 1-5. Bratislava.
page(s): 3-4, fig. 9 [details]
additional source
Ceuca, T. (1992). Quelques aspects sur la faunistique l'écologie et la zoogeographie des diplopodes de la Région Balkanique. Bericht des naturwissenschaftlich-medizinischen Vereins in Innsbruck, Supplementum, 411-429. Innsbruck
page(s): 413 [details]
additional source
Strasser, K. (1973). Über Diplopoden Bulgariens, III. Annales zoologici, 30(15): 411-470. Warszawa
page(s): 413 [details]
additional source
Kime, R. D.; Enghoff, H. (2011). Atlas of European Millipedes (Class Diplopoda) Volume 1 Orders Polyxenida, Glomerida, Platydesmida, Siphonocryptida, Polyzoniida, Callipodida, Polydesmida. <em>Fauna Europaea Evertebrata.</em> 3: 1-282; June 2011.
page(s): 66 [details]
From editor or global species database