参考文献:
Allen, Kimberley C. Anderson, Dennis K. Baldus, John E. Boehlow, Todd Clark, Jerry D. Dukesherer, Daniel R. Edney, Albert D. Fevig, Tom Kundra, Sastry Lawson, Jon P. Lau, Patrick H. McDermott, Lisa L. Mao, Michael K. Moe, Jodi L. Mudipalli, Partha Naing, Win Selness, Shaun R. Seymour, Christine B. Schilke, Tobin C. Viswanath, Shekhar Walker, John K. Yalamanchili, Gopichand Patent: US/518 A1, Location in patent: Page 4-41