Statistics & Probability Letters
Statistics and Probability Letters > 2004 > 67 > 2 > 193-201
Statistics and Probability Letters > 2004 > 69 > 2 > 161-170
Statistics and Probability Letters > 2004 > 67 > 2 > 193-201
Statistics and Probability Letters > 2004 > 69 > 2 > 161-170