@article{CMH_1972__47_139514,
     author = {Manfred Knebusch},
     title = {On the {Uniqueness} of {Real} {Closures} and the {Existence} of {Real} {Places}},
     journal = {Commentarii mathematici Helvetici},
     pages = {260--269},
     publisher = {mathdoc},
     volume = {47},
     year = {1972},
     zbl = {0257.12102},
     url = {http://geodesic.mathdoc.fr/item/CMH_1972__47_139514/}
}