Farzipour, Soghra; Saeedi, Mina; Mahdavi, Mohammad; Yavari, Hossein; Mirzahekmati, Mohammadreza; Ghaemi, Nasser; Foroumadi, Alireza; Shafiee, Abbas Synthetic Communications, 2014 , vol. 44, # 4 p. 481 - 487