author = { Röhrl, Helmut AND Woolley, Thomas J. },

title = { Some elementary properties of the category Top M/B },

publisher = {Verl. Uni-Druck},

year = {1973},

booktitle = {Algebra-Berichte ; 13},

address = { München },

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