literature.bib

@book{hohmann_attainability_1960,
  title = {The {{Attainability}} of {{Heavenly Bodies}}},
  rights = {http://creativecommons.org/licenses/publicdomain/},
  url = {http://archive.org/details/nasa_techdoc_19980230631},
  abstract = {THIS WORK (ORIGINALLY PUBLISHED IN 1925) CONTRIBUTES TO RECOGNITION OF THE FEASIBILITY OF SPACE TRAVEL. TREATED ARE PROBLEMS ASSOCIATED WITH LEAVING THE EARTH, RETURN TO EARTH, FREE-SPACE FLIGHT, CIRCUM-NAVIGATION OF CELESTIAL OBJECTS, AND LANDING ON OTHER CELESTIAL OBJECTS.},
  timestamp = {2016-06-27T01:58:08Z},
  author = {Hohmann, Walter},
  editora = {{NASA}},
  editoratype = {collaborator},
  urldate = {2016-06-20},
  date = {1960-11-01},
  keywords = {DIFFUSION THEORY}
}