@article{MET_1963__6_175178,
     author = {T. DALENIUS},
     title = {The {Panel} {Approach} to {Continuous} {Sample} {Survey} {Activity.}},
     journal = {Metrika},
     pages = {30--36},
     publisher = {mathdoc},
     volume = {6},
     year = {1963},
     zbl = {0111.33803},
     url = {http://geodesic.mathdoc.fr/item/MET_1963__6_175178/}
}