Reference
Xim Cerda, X. Arnan, Javier Retana (2013): Digital supplementary material to CERDÁ, X., ARNAN, X. & RETANA, J. 2013: Is competition a significant hallmark of ant (Hymenoptera: Formicidae) ecology? - Myrmecological News 18: 131-147. – Myrmecological News = Myrmecologische Nachrichten – 018: 131 - 147.