Acikmese, Behcet

• Morgan, Daniel; Chung, Soon-Jo; et el. (2012) Swarm-Keeping Strategies for Spacecraft Under J_2 and Atmospheric Drag Perturbations; Journal of Guidance, Control, and Dynamics; Vol. 35; No. 5; 1492-1506; 10.2514/1.55705
• Morgan, Daniel; Chung, Soon-Jo; et el. (2011) Swarm Keeping Strategies for Spacecraft under J_2 and Atmospheric Drag Perturbations; ISBN 978-1-60086-952-5; Art. No. 2011-6632; 10.2514/6.2011-6632