参考文献

KHAMAR, Bakulesh, Mafatlal; MODI, Indravadan, Ambalal; VENKATRAMAN, Jayaraman; RAVI, Ponnaiah; DESAI, Sanjay, Jagadish; RAJPUT, Amarsingh, L. Patent: WO2007/74391 A2, 2007 ; Location in patent: Page/Page column 14-15 ;