@article{RIUMI_2014_1_7_2_a0,
     author = {Celletti, Alessandra},
     title = {Low-cost travels within the {Solar} system},
     journal = {La Matematica nella societ\`a e nella cultura},
     pages = {157--180},
     publisher = {mathdoc},
     volume = {Ser. 1, 7},
     number = {2},
     year = {2014},
     zbl = {1344.70021},
     mrnumber = {3476685},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RIUMI_2014_1_7_2_a0/}
}