参考文献

Khera, Rasheed Ahmad; Ahmad, Rasheed; Ullah, Ihsan; Abid, Obaid-Ur-Rahman; Fatunsin, Olumide; Sher, Muhammad; Villinger, Alexander; Langer, Peter Helvetica Chimica Acta, 2010 , vol. 93, # 9 p. 1705 - 1715