@conference {cseker2010controlling, title = {Controlling the Direction of a Model Helicopter}, booktitle = {The 28th International System Dynamics Conference, Seoul, Korea}, year = {2010}, publisher = {System Dynamics Society (http://www.systemdynamics.org/conferences/2010/index.htm)}, organization = {System Dynamics Society (http://www.systemdynamics.org/conferences/2010/index.htm)}, author = {Oylum {\c S}eker and Yasarcan, Hakan} }