参考文献

Singh, Shyam Babu; Verma, Pankaj Kumar; Tiwari, Kamleshwar; Singh, Mandavi; Ankit, Preyas; Fatma, Shahin; Singh, Jagdamba; Tiwari, Kamla Prasad Synthetic Communications, 2014 , vol. 44, # 12 p. 1795 - 1802