@article{MOMA_1968__72_177431,
     author = {Hans E. Debrunner},
     title = {Halbzahm eingebettete {Sph\"arenbouquets.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {296--302},
     publisher = {mathdoc},
     volume = {72},
     year = {1968},
     zbl = {0162.55602},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1968__72_177431/}
}