Journal: Recent Patents on Engineering Volume: 5 Issue: 1 Year: 2011 Page: 57-67 Author(s): Peter J. Lindner, R. S. Besser
Ebook: Topological Geometrodynamics Volume: 1 Year: 2016 Author(s): Matti Pitkanen Doi: 10.2174/9781681081793116010017
Journal: Recent Patents on Space Technology (Discontinued) Volume: 3 Issue: 1 Year: 2013 Page: 3-12 Author(s): J.A. Caffrey, D.M. Hamby