author = { Rees, William E. AND Wackernagel, Mathis },

title = { The Shoe Fits, but the Footprint is Larger than Earth },

publisher = {Public Library of Science (PLoS)},

isbn = {1545-7885},

year = {2013},

url = { http://slubdd.de/katalog?TN_libero_mab2 }