Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 62 > 1 > 1-7
Statistics and Probability Letters > 2003 > 64 > 3 > 287-292
Statistics and Probability Letters > 2003 > 62 > 1 > 1-7
Statistics and Probability Letters > 2003 > 64 > 3 > 287-292