參考文獻:
COUNCIL OF SCIENTIFIC and INDUSTRIAL RESEARCH KAMAL, Ahmed VISWANATH, Arutla MURTY, Jayanti Naga Srirama Chandra SULTHANA, Farheen RAMAKRISHNA, Gadupudi KHAN, Inshad Ali KALIA, Nitin Pal Patent: WO2013/93940 A1, 2013 Location in patent: Page/Page column 15 16