Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 63 > 4 > 401-410
Statistics and Probability Letters > 2003 > 65 > 1 > 57-64
Statistics and Probability Letters > 2003 > 63 > 4 > 401-410
Statistics and Probability Letters > 2003 > 65 > 1 > 57-64