Reference
Klaus G. Schurian, Martin Wiemers (2014): nufrelContribution to the biology, ecology and taxonomy of Polyommatus (Lysandra) coridon nufrellensis (Schurian, 1977) (Lepidoptera: Lycaenidae), Part III1: An experimental hybridisation of P. (L.) c. coridon × P. (L.) c. nufrellensis – Nachrichten des Entomologischen Vereins Apollo – 35: 165 - 172.