H. H. Wagner, Stéphane Dray. Generating spatially constrained null models for irregularly spaced data using Moran spectral randomization methods.
Methods in Ecology and Evolution, Wiley, 2015, 6, pp.1169-1178.
⟨10.1111/2041-210x.12407⟩.
⟨hal-02018998⟩ 
