@article{MET_1993__40_2_176453,
     author = {A.R. Padmanabhan and N Mukhopadhyay},
     title = {A {Note} on {Three-Stage} {Confidence} {Intervals} for the {Difference} of {Locations:} {The} {Exponential} {Case.}},
     journal = {Metrika},
     pages = {121--128},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1993},
     zbl = {0768.62064},
     url = {http://geodesic.mathdoc.fr/item/MET_1993__40_2_176453/}
}