@conference {tanyolacc2012control, title = {Control Heuristics for Soft Landing Problem}, booktitle = {The 30th International System Dynamics Conference, St. Gallen, Switzerland}, year = {2012}, publisher = {System Dynamics Society (http://www.systemdynamics.org/conferences/2012/index.html)}, organization = {System Dynamics Society (http://www.systemdynamics.org/conferences/2012/index.html)}, author = {Tanyola{\c c}, Togay and Yasarcan, Hakan} }