Klingel, H. (1959): Die Paarung des Lithobius forficatus L. Verhandlungen der Deutschen Zoologischen Gesellschaft, 1959: 326-332.
Klingel, H. (1959): Indirekte Spermatophorenübertragung bei Geophiliden (Hundertfüßer, Chilopoda). Die Naturwissenschaften, 46: 632-634.
Klingel, H. (1960): Vergleichende Verhaltensbiologie der Chilopoden Scutigera coleoptrata L. ("Spinnenassel") und Scolopendra cingulata Latreille (Skolopender). Zeitschrift für Tierpsychologie, 17: 11-30.
Klingel, H. (1962): Das Paarungsverhalten des malaischen Höhlentausendfußes Thereuopoda decipiens cavernicola Verhoeff (Scutigeromorpha, Chilopoda). Zoologischer Anzeiger, 169: 458-460.
Klingel, H. (1963): Mating and maternal behaviour in Telyphonus caudatus L. (Pedipalpi, Holopetlidia, Uropygi). Treubia, 26: 65-69.
Klinger, K. (1992): Diplopods and Chilopods of conventional and alternative (biodynamic) fields in Hesse (FRG). Berichte des naturwissenschaftlich-medizinischen Vereins in Innsbruck, Supplement 10: 243-250.
Klok, C., Zorn, M., Koolhaas, J.E., Eijsackers, H.J.P., van Gestel, C.A.M. (2005): Does reproductive plasticity in Lumbricus rubellus improve the recovery of populations in frequently inundated river floodplains? In: Floodplains: Hydrology, Soils, Fauna and their Interactions, 11 to 16 September 2005, Görlitz, Germany, Abstracts and List of Participants: 22.
Klok, C., Zorn, M., Koolhaas, J.E., Eijsackers, H.J.P., van Gestel, C.A.M. (2005): Does reproductive plasticity in Lumbricus rubellus improve the recovery of populations in frequently inundated river floodplains? Soil Biology & Biochemistry, XX: XX-XX.
