Context:
China's Publication Bazaar
Summary
Science has exposed a thriving academic black market in China involving shady agencies, corrupt scientists, and compromised editors—many of them operating
in plain view. The commodity: papers in journals indexed by Thomson Reuters' Science Citation Index, Thomson Reuters' Social Sciences Citation Index, and Elsevier's Engineering Index.
More:
http://www.sciencemag.org/content/342/6162/1035.summary