@article{MET_1980__27_186221,
     author = {C.B. Bell and Y. Rama Krishna Sarma},
     title = {A {Characterization} of {Exponential} {Distributions} {Based} on {Order} {Statistics.}},
     journal = {Metrika},
     pages = {263--270},
     publisher = {mathdoc},
     volume = {27},
     year = {1980},
     zbl = {0445.62028},
     url = {http://geodesic.mathdoc.fr/item/MET_1980__27_186221/}
}