Achim Washington and Reece Clothier and Jose Silva, Managing Uncertainty in Unmanned Aircraft System Safety Performance Requirements Compliance Process. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2018, vol. 137(5). 502 - 511 [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10008962.