@article{MET_1961__4_175109,
     author = {W. Vogel},
     title = {Sequentielle {Versuchs-Pl\"ane.}},
     journal = {Metrika},
     pages = {140--157},
     publisher = {mathdoc},
     volume = {4},
     year = {1961},
     zbl = {0102.14402},
     url = {http://geodesic.mathdoc.fr/item/MET_1961__4_175109/}
}