Statistics & Probability Letters
Statistics and Probability Letters > 2004 > 68 > 4 > 347-357
Statistics and Probability Letters > 2004 > 68 > 4 > 359-368
Statistics and Probability Letters > 2004 > 68 > 4 > 347-357
Statistics and Probability Letters > 2004 > 68 > 4 > 359-368