参考文献:
Arora, Nidhi Chen, Shaoqing Hermann, Johannes Cornelius Kuglstatter, Adreas Labadie, Sharada Shenvi Lin, Clara Jeou Jen Lucas, Matthew C. Moore, Amy Geraldine Papp, Eva Talamas, Francisco Xavier Wanner, Jutta Zhai, Yansheng Patent: US01/196 A1, 01 Location in patent: Page/Page column 90 US 0100196 A1