Prof. Nirajsingh Yeotikar, Avanishkumar Morya, Vishal Singh, Vikas Tiwari, and Shivam Tomar. 2016. “Rail Crack Detection Robot Using IR”. International Journal of Advance Research in Engineering, Science & Technology 3 (3):209-12. https://ijarest.org/index.php/ijarest/article/view/483.