Tong, Fan; Zhao, Ye; Wang, Mao-Hua: 'Synthesis of monodisperse ZrO2 microspheres via urea homogeneous precipitation and its effect on the sintering properties', Micro & Nano Letters, 2019, 14, (8), p. 877-881, DOI: 10.1049/mnl.2018.5328 IET Digital Library, https://digital-library.theiet.org/;jsessionid=1j9q9dtqg2pab.x-iet-live-01content/journals/10.1049/mnl.2018.5328