author = { Rohn, Karl AND Papperitz, Erwin },

title = { Lehrbuch der darstellenden Geometrie 1 },

edition = { 2., umgearb. Aufl. } ,

publisher = {Veit},

year = {1901},

address = { Leipzig },

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