@article {guerreiro:2012d,
	title = {{Terrain Avoidance Nonlinear Model Predictive Control for Autonomous Rotorcraft}},
	journal = {Journal of Intelligent \& Robotic Systems},
	volume = {68},
	number = {1},
	year = {2012},
	note = {n/a},
	pages = {69 {\textendash}85},
	publisher = {Springer Netherlands},
	abstract = {n/a},
	issn = {0921-0296},
	doi = {https://doi.org/10.1007/s10846-012-9669-6},
	author = {B. J. Guerreiro and Silvestre, C. and R. Cunha}
}
