Ramos A, Ledford A. Regular score tests of independence in multivariate extreme values. Extremes. 2005;8:5-26.Edit

Ramos A, Ledford A. A new class of models for bivariate joint tails. J. R. Stat. Soc. Ser. B Stat. Methodol.. 2009;71:219-241.Edit

Ramos A, Ledford A. An alternative point process framework for modeling multivariate extreme values. Comm. Statist. Theory Methods. 2011;40:2205-2224.Edit