Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 62 > 1 > 71-77
Statistics and Probability Letters > 2003 > 64 > 3 > 277-286
Statistics and Probability Letters > 2003 > 62 > 1 > 71-77
Statistics and Probability Letters > 2003 > 64 > 3 > 277-286