An updated checklist of the European butterflies (lepidoptera, papilionoidea)

Martin Wiemers, Emilio Balletto, Vlad Dinca, Zdenek Faltynek Fric, Gerardo Lamas, Vladimir Lukhtanov, Miguel L. Munguira, Chris A.M. VanSwaay, Roger Vila, Albert Vliegenthart, Niklas Wahlberg, Rudi Verovnik