TY - JOUR A1 - Bickel, P.J. A1 - Freedman, D.A. T1 - Asymptotic normality and the bootstrap in stratified sampling Y1 - 1984 DO - 10.1214/aos/1176346500 JF - The Annals of Statistics VL - 12 IS - 2 SP - 470 EP - -482 ER -