Xu, L., Han, Y., Zhou, L.-D., Yao, Mansoor, G., Chen, C., & Pan, J. (2009). Novel Phase-Locked Loop Using Adaptive Notch Filter. Elektronika Ir Elektrotechnika, 92(4), 7-12. Retrieved from https://eejournal.ktu.lt/index.php/elt/article/view/10215