@article{10_4064_fm227_2_1,
     author = {Jim Conant and Victoria Curnutte and Corey Jones and Conrad Plaut and Kristen Pueschel and Maria Lusby and Jay Wilkins},
     title = {Discrete homotopy theory and
 critical values of metric spaces},
     journal = {Fundamenta Mathematicae},
     pages = {97--128},
     publisher = {mathdoc},
     volume = {227},
     number = {2},
     year = {2014},
     doi = {10.4064/fm227-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm227-2-1/}
}