Howard, TD; Seely, CD (Corresponding Author), Tangential Flight Corp, Marlborough, MA 21046 USA.
Howard, Terrence Dashon; Seely, Chris Dale, Tangential Flight Corp, Marlborough, MA 21046 USA.
Molter, Christian, Univ Stuttgart, Stuttgart, Germany.
Yee, Jeff, Airwaive, San Francisco, CA USA.