Statistics & Probability Letters
Statistics and Probability Letters > 2007 > 77 > 4 > 365-373
Statistics and Probability Letters > 2007 > 77 > 11 > 1148-1157
Statistics and Probability Letters > 2007 > 77 > 4 > 365-373
Statistics and Probability Letters > 2007 > 77 > 11 > 1148-1157