Making Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign WormholesE-bookMaking Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign WormholesdiJames F. WoodwardValutazione: 5 su 5 stelle5/5Salva Making Starships and Stargates: The Science of Interstellar Transport and Absurdly Benign Wormholes per dopo