Shaikh, Khurram, Imtiaz Hussain Kalwer, Khakoo Mal, & Bhawani Shanker Chowdhry. " Signal Based Indirect Wheel Profile Estimation Technique for Solid Axle Railway Wheelset." Mehran University Research Journal of Engineering and Technology [Online], 40.2 (2021): 443 - 449,. Web. 24 Apr. 2024