Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 61 > 1 > 17-30
Statistics and Probability Letters > 2003 > 62 > 1 > 93-100
Statistics and Probability Letters > 2003 > 61 > 1 > 17-30
Statistics and Probability Letters > 2003 > 62 > 1 > 93-100