@article{DCG_1993__9_2_131241,
     author = {W. Jockusch},
     title = {The {Lower} and {Upper} {Bound} {Problems} for {Cubical} {Polytopes.}},
     journal = {Discrete & computational geometry},
     pages = {159--164},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1993},
     zbl = {0771.52005},
     url = {http://geodesic.mathdoc.fr/item/DCG_1993__9_2_131241/}
}