Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 64 > 1 > 1-7
Statistics and Probability Letters > 2003 > 65 > 4 > 369-377
Statistics and Probability Letters > 2003 > 64 > 1 > 1-7
Statistics and Probability Letters > 2003 > 65 > 4 > 369-377