参考文献

Borealis Technology Oy; Voskoboynik, Alexander Zelmanovich; Asachenko, Andrei Fyodorovich; Konanovich, Dmitry; Nikulin, Mikhail V.; Tzarev, Alexey; Maaranen, Janne; Vanne, Tiina; Kauhanen, Jyrki; Mansner, Erik; Kokko, Esa; Saarinen, Laura Patent: US8569532 B2, 2013 ; Location in patent: Page/Page column 65 ;