Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 63 > 4 > 339-352
Statistics and Probability Letters > 2003 > 65 > 3 > 217-225
Statistics and Probability Letters > 2003 > 63 > 4 > 339-352
Statistics and Probability Letters > 2003 > 65 > 3 > 217-225