Mazaris, A.D., Tsianou, M.A., Sigkounas, A., Dimopoulos, P., Pantis, J.D., Sgardelis, S.P., Kallimanis, A.S. (2013) Accounting for the capacity of common and rare species to contribute to diversity spatial patterns: is it a sampling issue or a biological effect?Ecological Indicators 32 : 9-13. http://www.sciencedirect.com/science/article/pii/S1470160X13000976