@article{10_4064_fm194_1_3,
     author = {R. W. Knight},
     title = {A topological application of flat morasses},
     journal = {Fundamenta Mathematicae},
     pages = {45--66},
     publisher = {mathdoc},
     volume = {194},
     number = {1},
     year = {2007},
     doi = {10.4064/fm194-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm194-1-3/}
}