Statistics & Probability Letters
Statistics and Probability Letters > 2004 > 68 > 3 > 221-234
Statistics and Probability Letters > 2004 > 68 > 4 > 383-393
Statistics and Probability Letters > 2004 > 68 > 3 > 221-234
Statistics and Probability Letters > 2004 > 68 > 4 > 383-393