@Article{ Breidt_Opsomer_SÁNCHEZ:822-833,

author = { Jay Breidt and Jean Opsomer and ISMAEL RAMÓN SÁNCHEZ BORREGO } ,

title = { Nonparametric Variance Estimation under Fine Stratification: An Alternative to Collapsed Strata },

journal = { Journal of the American Statistical Association },

year = { 2016 },

volume = { 111 },

pages = { 822-833 },

}