Article Title,Year,Volume,Issue,Page Range,Author An Effective Crashworthiness Design Optimization Methodology to Improve Helicopter Landing Gear Energy Absorption,2009,54,4,042003-42012,Tho Flight Test and Simulation of a Cargo Container Slung Load in Forward Flight,2009,54,3,032006-32018,Robinson Influence of Dynamic Stall and Dynamic Wake Effects on Helicopter Trim and Rotor Loads,2009,54,3,032001-32018,Laxman Wake Structure and Kinematics in the Vortex Ring State,2009,54,3,032003,Brown