@article{aruco,
    author = {Romero Ramirez, Francisco and Muñoz-Salinas,
        Rafael and Medina-Carnicer, Rafael},
    year = {2018},
    month = {06},
    title = {Speeded Up Detection of Squared Fiducial Markers},
    volume = {76},
    journal = {Image and Vision Computing},
    doi = {10.1016/j.imavis.2018.05.004}
}

@misc{cam-toolbox,
    author =  {Jean-Yves Bouguet},
    year = {2015},
    month = {10},
    title = {Camera Calibration Toolbox for {M}atlab},
    howpublished={\url{http://www.vision.caltech.edu/bouguetj/calib_doc/index.html}},
    note={Accessed: 2019-03-01}
}

@misc{ros-speech,
    author = {Oliveira, Jose Pedro and Perdigao, Fernando},
    title = {{Speech Recog UC}},
    year = {2018},
    howpublished={\url{http://wiki.ros.org/speech_recog_uc}},
    note={Accessed: 2019-03-01}
}

@misc{homography,
    author = {Frank, Barbara and Stachniss, Cyrill and
        Grisetti, Giorgio and Arras, Kai and Burgard, Wolfram},
    title = {Robotics 2, Camera Calibration},
    howpublished={\url{http://ais.informatik.uni-freiburg.de/teaching/ws09/robotics2/pdfs/rob2-08-camera-calibration.pdf}},
    note={Accessed: 2019-03-01}
}

@misc{ros,
    title={{ROS.org | Powering} the world's robots},
    howpublished={\url{http://www.ros.org/}},
    note={Accessed: 2019-01-03}
}

@misc{naoqi,
    title={{NAOqi} Developer guide},
    howpublished={\url{http://doc.aldebaran.com/2-1/index_dev_guide.html}},
    note={Accessed: 2018-08-08}
}