1. Stein's paradox in statistics;Efron;Scientific Amer.,1977
2. Typical laws of heredity;Galton;Proc. Roy. Inst.,1877
3. Statistical Theory with Engineering Applications;Hald,1952
4. Selection for treatment as a source of bias in before-and-after studies;Hauer;Traffic Eng. Control,1980
5. A common bias in before and after accident comparisons and its elimination;Hauer;Transpn. Res. Rec.,1983