@article{MET_1973__20_175611,
     author = {M.P. Singh and A.S. Roy},
     title = {Interpenetrating {Sub-Samples} {\^A?} with and without {Replacement.}},
     journal = {Metrika},
     pages = {230--239},
     publisher = {mathdoc},
     volume = {20},
     year = {1973},
     zbl = {0294.62005},
     url = {http://geodesic.mathdoc.fr/item/MET_1973__20_175611/}
}