author = { Vigrass, J. William AND Bobrick, Benson },

title = { Labyrinths of Iron: A History of the World's Subways },

publisher = {JSTOR},

isbn = {0040-165X},

keywords = { Engineering (miscellaneous) , History },

year = {1983},

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