Making Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign WormholeseBookMaking Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign WormholeskaryaJames F. WoodwardPenilaian: 5 dari 5 bintang5/5Simpan Making Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign Wormholes untuk nanti