TY - JOUR A1 - Kasmel, A. A1 - Helasoja, V. A1 - Lipand, A. A1 - Kitagawa, E. T1 - Components of a difference between two rates Y1 - 1955 DO - 10.2307/2281213 JF - Journal of the American Statistical Association VL - 50 IS - 272 SP - 1168 EP - -1194 ER -