Magadum, Sunil, K. Niranjan Reddy, M. Chellamalai, and N. Balashanmugam. 2018. “Development of High Precision Glass Scale Gratings Using Ultra Fast Pulsed Laser”. Manufacturing Technology Today 17 (1):3-6. https://mtt.cmti.res.in/index.php/journal/article/view/269.