参考文献

Council of Scientific and Industrial Research; Mandal, Chitra; Chandra Pal, Bikas; Bhattacharya, Kaushik; Samanta, Suman Kumar; Sarkar, Sayantani; Das, Ranjita Patent: US2013/65932 A1, 2013 ; Location in patent: Paragraph 0071; 0182 ;