参考文献

Belanger, Patrice Charles; Collins, Ian James; Hannam, Joanne Claire; Harrison, Timothy; Lewis, Stephen John; Madin, Andrew; McIver, Edward Giles; Nadin, Alan John; Neduvelil, Joseph George; Shearman, Mark Steven; Smith, Adrian Leonard; Sparey, Timothy Jason; Stevenson, Graeme Irvine; Teall, Martin Richard Patent: US2004/29862 A1, 2004 ;