@article{MET_1993__40_2_176479,
     author = {Eugene F. Schuster},
     title = {Accuracy of {Proportion} {Estimators:} a {Simple} {Rule.}},
     journal = {Metrika},
     pages = {325--332},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1993},
     zbl = {0784.62009},
     url = {http://geodesic.mathdoc.fr/item/MET_1993__40_2_176479/}
}