Zhang, Lei, Yue Cheng, and Zhengjun Zhai. “Real-Time Accurate Runway Detection Based on Airborne Multi-Sensors Fusion”. Defence Science Journal 67, no. 5 (September 19, 2017): 542-550. Accessed July 4, 2020. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/10439.