Author(s): |
Shu-liang Zhang, The Lanzhou Branch of the National Science Library/The Scientific Information Center for Resources and Environment, Chinese Academy of Sciences, CAS, Lanzhou, China Jin-ping Wang, The Lanzhou Branch of the National Science Library/The Scientific Information Center for Resources and Environment, Chinese Academy of Sciences, CAS, Lanzhou, China Ya-juan Zhao, National Science Library, Chinese Academy of Sciences, CAS, Beijing, China |