参考文献
Gorantla, Seeta Ramanjaneyulu; Bandari, Mohan; Indukuri, Venkata Sunil Kumar; Simhadri, Srinivas; Ketavarapu, Narasimha Rao; Jammulaveera, Venkata Krishna Kishore; Mohammed, Yaseen
Patent: US2011/92708 A1, 2011 ;
Location in patent: Page/Page column 6 ;