@article{10_4064_fm_66_2_215_217,
     author = {J. Carruth},
     title = {Lifting trees under light open maps},
     journal = {Fundamenta Mathematicae},
     pages = {215--217},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {1970},
     doi = {10.4064/fm-66-2-215-217},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-66-2-215-217/}
}