Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 62 > 1 > 35-43
Statistics and Probability Letters > 2003 > 63 > 1 > 67-78
Statistics and Probability Letters > 2003 > 62 > 1 > 35-43
Statistics and Probability Letters > 2003 > 63 > 1 > 67-78