1. A multivariate sedimentary environment analysis of Great South Bay and South Oyster Bay, New York;Ali;Jour. Math. Geology,1976
2. Multivariate morphometrics;Blackith,1971
3. On the qunatification of biofacies;Buzas,1970
4. A numerical index for biostratigraphic zonation in the mid-Tertiary of the eastern Gulf;Cheetham;Gulf Coast Assoc. Geol. Soc. Trans.,1963
5. Binary (presence-absence) similarity coefficients;Cheetham;Jour. Paleontology,1969