@article{MAN_1985__272_164033,
     author = {Norbert Kuhlmann},
     title = {\"Uber die {Grassmannmannigfaltigkeit} {G(1,4)} und verwandte {Mannigfaltigkeiten.}},
     journal = {Mathematische Annalen},
     pages = {577--592},
     publisher = {mathdoc},
     volume = {272},
     year = {1985},
     zbl = {0579.14034},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164033/}
}