author = { Cobabus, Michael Richel, Johann der Jüngere },

title = { Brevis & methodica Sphaerographiae Delineatio },

publisher = {Typis Richelianis},

year = {1644},

address = { Rostochi[i] },

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