@article{MET_1968__13_175375,
     author = {C.E. S\"arndal},
     title = {Some {Properties} of the {Negative} {Hypergeometric} {Distribution} and {Its} {Limit} {Distributions}},
     journal = {Metrika},
     pages = {170--190},
     publisher = {mathdoc},
     volume = {13},
     year = {1968},
     zbl = {0177.47501},
     url = {http://geodesic.mathdoc.fr/item/MET_1968__13_175375/}
}