Previous Article Next Article Table of Contents Energy Conversion and Management, Vol.49, No.10, 2939-2939, 2008 DOI10.1016/j.enconman.2008.04.017 Export Citation New frontiers in the space propulsion sciences (vol 49, pg 2008, 436) Robertson GA, Murad PA, Davis E Please enable JavaScript to view the comments powered by Disqus.