1. A new approach to null correlations of proportions;Aitchison;J. Math. Geol.,1981
2. The Statistical Analysis of Compositional Data;Aitchison,1986
3. Relative variation diagrams for describing patterns of compositional variability;Aitchison;J. Math. Geol.,1990
4. The nature and correlation of random distributions;Bagnold,1983
5. A tentative stratigraphic reconstruction of the Tuscan Paleozoic basement;Bagnoli;Mem. Soc. Geol. It.,1979