1. *** Habitats Directive 92/43/EEC 21 May 1992, on the conservation of natural habitats, species and wildlife
2. ***Ordonanţa de urgenţă nr. 57 din 20 iunie 2007 privind regimul ariilor naturale protejate, conservarea habitatelor naturale, a florei si faunei salbatic. (Romanian Government Emergency Ordinance no. 57/2007 on the protected natural areas, natural habitats, wild flora and fauna)
3. Adis J, Harvey MS (2000) How many Arachnida and Myriapoda are there world-wide and in Amazonia? Stud. Neotrop. Fauna Environ 35:139–141
4. Askew RR (2004) The dragonflies of Europe, 2nd edn. Harley Books, Colchester
5. Bellinger PF, Christiansen KA, Janssens F (1996–2013) Checklist of the collembola of the world.
http://www.collembola.org
last updated on 2013.09.25 by Frans Janssens