Reference

Anja Freese-Hager, Jiri Benes, Ralf Bolz, Oldrich Cizek, Matthias Dolek, Adi Geyer, Patrick Gros, Martin Konvicka, Christian Stettmer, Alois Stettmer (2006): Habitat use of the endangered butterfly Euphydryas maturna and forestry in Central Europe. – Animal Conservation – 9: 388 - 397.