@article{waldmann_2007,  title={Feedforward ins aiding: an investigation of maneuvers for in-flight alignment},  volume={18},  ISSN={0103-1759},  url={https://doi.org/10.1590/S0103-17592007000400006},  DOI={10.1590/S0103-17592007000400006},  number={4},  journal={Sba: Controle & Automação Sociedade Brasileira de Automatica},  publisher={Sociedade Brasileira de Automática},  author={Waldmann, Jacques},  year={2007},  month={Oct},  pages={459–470} }