Statistics & Probability Letters
Statistics and Probability Letters > 2004 > 67 > 2 > 121-132
Statistics and Probability Letters > 2004 > 69 > 2 > 151-160
Statistics and Probability Letters > 2004 > 67 > 2 > 121-132
Statistics and Probability Letters > 2004 > 69 > 2 > 151-160