Li, Ying; Song, Zhitang; Liu, Bo; Wu, Guanping; Feng, Songlin: 'Switching operation improvement of phase change memory with nanoscale W plug structure by CMP process', Electronics Letters, 2013, 49, (12), p. 747-749, DOI: 10.1049/el.2013.0985
IET Digital Library, https://digital-library.theiet.org/;jsessionid=38nl0lmsn77l.x-iet-live-01content/journals/10.1049/el.2013.0985