@article{MET_1976__23_186171,
     author = {M.Z. Khan},
     title = {Optimum {Allocation} in {Bayesian} {Stratified} {Two} {Phase} {Sampling} when there are {m-Attributes.}},
     journal = {Metrika},
     pages = {211--220},
     publisher = {mathdoc},
     volume = {23},
     year = {1976},
     zbl = {0344.62013},
     url = {http://geodesic.mathdoc.fr/item/MET_1976__23_186171/}
}