Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 62 > 1 > 9-21
Statistics and Probability Letters > 2003 > 62 > 4 > 379-390
Statistics and Probability Letters > 2003 > 64 > 2 > 159-168
Statistics and Probability Letters > 2003 > 65 > 4 > 433-449