The Lenovo ThinkBook x13 Gen 4 makes a compelling case for a true ultra-mobile laptop with its tiny and light form factor, premium design ... And to my surprise, the x13 keyboard isn’t just full-sized ...
Nizamoglu, Sedat Ozel, Tuncay Sari, Emre and Demir, Hilmi Volkan 2006. White Light Generation with CdSe/ZnS Core-Shell Nanocrystals and InGaN/GaN Light Emitting Diodes. p. 21.