author = { Mironski, Nikola AND Valščev, Atanas AND Popov, Vladimir },

title = { Pirin-Gebirge Bergtourenführer },

publisher = {Medzina i Fiskultura},

year = {1974},

address = { Sofia },

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