Statistics & Probability Letters
Statistics and Probability Letters > 2011 > 81 > 1 > 16-24
Statistics and Probability Letters > 2011 > 81 > 8 > 1173-1178
Statistics and Probability Letters > 2011 > 81 > 11 > 1561-1564
Statistics and Probability Letters > 2011 > 81 > 12 > 1792-1801