@article{AM2_1985__28_137049,
     author = {M.A. McKiernan},
     title = {Mountain climbing: an alternate proof.},
     journal = {Aequationes mathematicae},
     pages = {132--134},
     publisher = {mathdoc},
     volume = {28},
     year = {1985},
     zbl = {0561.39005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1985__28_137049/}
}