参考文献
Cheruvallath, Zacharia; Feng, Jun; Guntupalli, Prasuna; Gwaltney, Stephen L.; Kaldor, Stephen W.; Miura, Joanne; Sabat, Mark; Tang, Mingnam; Wolgast, Beverly
Patent: US2007/213349 A1, 2007 ;
Location in patent: Page/Page column 73, 74 ;
US 20070213349 A1