参考文献

Sridhar, Madabhushi; Mallu, Kishore Kumar Reddy; Jillella, Raveendra; Godala, Kondalreddy; Beeram, Chinaramanaiah; Chinthala, Narsaiah Synthesis (Germany), 2013 , vol. 45, # 4 art. no. SS-2012-Z0887-OP, p. 507 - 510