Mohanta, D. K.; Jaya Bharata Reddy, M. (ed.): 'Synchronized Phasor Measurements for Smart Grids' (Energy Engineering, 2017) DOI: 
IET Digital Library, https://digital-library.theiet.org/;jsessionid=148dgho59vksp.x-iet-live-01content/books/po/pbpo097e