Yan Rongxin and Sun Wei and Li Weidan, Research and Design on a Portable Intravehicular Ultrasonic Leak Detector for Manned Spacecraft. journal = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2017, vol. 126(6). 1161 - 1166 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10007176.