Raza, A., & Hussain, B. (2025). Use of Terrain and Obstacle Databases to Support UAS Detect-and-Avoid in Complex Urban Environments. Global Frontiers in Integrated Engineering, Mathematics, and Applied Sciences Research, 15(9), 1-20. https://gsiacademia.com/index.php/GFIEMASR/article/view/Use-of-Terrain-and-Obstacle