1. 2Woodward, J. F. "Mass Fluctuations, Stationary Forces, and Propellantless Propulsion," Space Technology Applications InternationalForum2005, AIP Conference Proceedings 746, Albuquerque NM,February2005,pp.1345 -1352.
2. 3Buldrini, N,Marhold, K., Seifert, B., Tajmar, M. "Experimental Studyofthe Machian Mass Fluctuation Effect Usinga µN Thrust Balance," Space Technology Applications International Forum 2006, AIP Conference Proceedings 813, Albuquerque NM,February2006,pp.1313 -1320.
3. 4Brito, H. H. "Experimental Status of Thrusting by Electromagnetic Inertia Manipulation," Paper IAF-01-S.6.02, 52ndInternational Astronautical Congress, Toulouse, France, October 2001. Acta Astronautica Journal, April 2004, Vol. 54/8, pp. 547-558.