参考文献

Nagarajan, Sangaraiah; Shanmugavelan, Poovan; Sathishkumar, Murugan; Priyadharshini, Namachivayam; Sudakar, Padmanaban; Ponnuswamy, Alagusundaram Synthetic Communications, 2013 , vol. 43, # 5 p. 668 - 680