参考文献

Council of Scientific and Industrial Research; Negi, Arvind Singh; Prakasham, Ayyampudur Palanisamy; Saxena, Ajit Kumar; Luqman, Suaib; Chanda, Debabrata; Kaur, Tandeep; Gupta, Atul Patent: US2013/79396 A1, 2013 ;