author = { Baley, John D. AND Holstege, Martin },

title = { Trigonometry },

edition = { 1.ed. } ,

publisher = {Random House},

isbn = {0394354613},

year = {1988},

address = { New York, NY [u.a.] },

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