Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 62 > 3 > 263-274
Statistics and Probability Letters > 2003 > 64 > 2 > 147-157
Statistics and Probability Letters > 2003 > 62 > 3 > 263-274
Statistics and Probability Letters > 2003 > 64 > 2 > 147-157