Media type: E-Article Title: Comparison of Advanced Propulsion Concepts for Deep Space Exploration Contributor: MOECKEL, W. E. Published: American Institute of Aeronautics and Astronautics (AIAA), 1972 Published in: Journal of Spacecraft and Rockets, 9 (1972) 12, Seite 863-868 Language: English DOI: 10.2514/3.61813 ISSN: 0022-4650; 1533-6794 Origination: Footnote: