Yule's Association Paradox and Ignored Stratum Heterogeneity in Capture-Recapture Studies
研究了在捕获-再捕获研究中，忽略层异质性会导致尤尔关联悖论，即总体关联与分层关联方向相反，对估计种群规模有重要影响。
Joseph B. Kadane, Michael M. Meyer, John W. Tukey, Yule's Association Paradox and Ignored Stratum Heterogeneity in Capture-Recapture Studies, Journal of the American Statistical Association, Vol. 94, No. 447 (Sep., 1999), pp. 855-859