@article{MOMA_1962__66_177148,
     author = {Helmut Groemer},
     title = {\"Uber die dichteste gitterf\"ormige {Lagerung} kongruenter {Tetraeder.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {12--15},
     year = {1962},
     volume = {66},
     zbl = {0107.39801},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1962__66_177148/}
}