author = { Richardson, Harold W Mayo, Robert S. },

title = { Practical tunnel driving },

edition = { 1. ed. 5. impr. } ,

publisher = {McGraw-Hill},

keywords = { Tunneling },

year = {1941},

abstract = {Table on lining-paper},

address = { New York },

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