Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 61 > 3 > 269-276
Statistics and Probability Letters > 2003 > 64 > 2 > 113-120
Statistics and Probability Letters > 2003 > 61 > 3 > 269-276
Statistics and Probability Letters > 2003 > 64 > 2 > 113-120