参考文献
FAY, Lorraine Kathleen; Johnson, Douglas S.; Kesten, Suzanne Ross; Lazerwith, Scott E.; Morris, Mark Anthony; Stiff, Cory Michael; Meyers, Marvin Jay; Wang, Lijuan Jane
Patent: US2008/261941 A1, 2008 ;
Location in patent: Page/Page column 29; 47 ;