@article{853509,
      author = {Hong, De-yuan, and Wang, Qiang, and Pan, Kai-Yu, and Tian,  Simon, and Pearson, Victoria,},
      url = {http://library.usi.edu/record/853509},
      title = {A monograph of codonopsis and allied genera :  (Campanulaceae) /},
      recid = {853509},
      pages = {1 online resource (272 pages) :},
}