1. 1Dröscher, W., J. Hauser: Physical Principles of Advanced Space Transportation based on Heim Field Theory, AIAA/ASME/SAE/ASE, 38th Joint Propulsion Conference & Exhibit, Indianapolis, Indiana, 7-10 July, 2002, AIAA 2002-2094, 21pp.
2. 2Dröscher, W., J. Hauser: Future Space Propulsion Based on Heim Field Theory, AIAA 2003-4990, AIAA/ASME /SAE/ASE,JointPropulsionConference&Exhibit,Huntsville,AL,21-24July,2003,25pp.
3. 5Dröscher,W., J. Hauser: Spacetime Physics and Advanced Propulsion Concepts, AIAA 2006-4608, 42nd AIAA/ASME/SAE/ASE, Joint Propulsion Conference & Exhibit, Sacramento, CA, 9-12July 2006, 20 pp. (available as revised extendedversion20August2006atwww.hpcc-space.de).
4. 6Dröscher,W., J. Hauser: Advanced Propulsion Systems from Artificial Gravitational Fields, AIAA 2007-5595, 43th AIAA/ASME/SAE/ASE, Joint Propulsion Conference & Exhibit, Cincinnati, OH, 8-11July 2007, 15 pp.
5. 7Dröscher, W., J. Hauser: Gravity-Like Fields and Space Propulsion Concepts, AIAA 2008-5124, 44th AIAA/ASME/SAE/ASE, Joint Propulsion Conference & Exhibit, Hartford, CT, 20-23July 2008, 19 pp.