Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 64 > 2 > 181-189
Statistics and Probability Letters > 2003 > 64 > 3 > 311-322
Statistics and Probability Letters > 2003 > 64 > 2 > 181-189
Statistics and Probability Letters > 2003 > 64 > 3 > 311-322