author = { USA National Aeronautics and Space Administration Billings, Linda },

title = { 50 years of solar system exploration historical perspectives },

publisher = {National Aeronautics and Space Administration, Office of Communications, NASA History Division},

isbn = {9781626830530},

keywords = { United States National Aeronautics and Space Administration History Congresses , Planets Exploration History Congresses , Space flight History Congresses , Astronautics History Congresses , Space sciences History Congresses , Outer space Exploration History Congresses },

year = {[2020]},

abstract = {"NASA SP 2020-4705."},

abstract = {Includes bibliographical references and index},

address = { Washington, DC },

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