@article{MAN_1973__206_162505,
     author = {W.J. Thron},
     title = {Proximity {Structures} and {Grills.}},
     journal = {Mathematische Annalen},
     pages = {35--62},
     year = {1973},
     volume = {206},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__206_162505/}
}