@article{ZhaoHerzschuh2009,
  author    = {Yan Zhao and Ulrike Herzschuh},
  title     = {Modern pollen representation of source vegetation in the Qaidam Basin and surrounding mountains, north-eastern Tibetan Plateau},
  doi       = {10.1007/s00334-008-0201-7},
  url       = {http://www.springerlink.com/content/107470},
  year      = {2009},
}