@misc{208,
  author = {Beng Ong and Hualong Pan and Yuning Li and Yiliang Wu and Ping Liu},
  title = {Poly (dithienylbenzo [1, 2-b: 4, 5-b ] dithiophene) polymers},
  year = {2010},
  note = {US Patent 7,820,782},
}