Index/List/Archive

• BASE (Bielefeld Academic Search Engine)
• AGRIS  [AGRIS is the International System for Agricultural Science and Technology, and it is maintained by the Food and Agricultural Organization of the United Nations]
• Global Forum on Agricultural Research
• RePEc
• IDEAS
• CNKI Scholar
• China Academic Journals Full-text Database
• China Century Journals Full-text Database (Archive)
• China National Scientific Reports Database
• China Citations Database
• Scilit
• JournalTOCs
• DOI
• Crossref
• Google Scholar
• Elektronische Zeitschriftenbibliothek EZB 
• LOCKSS
• PKP Open Archives Harvester
• Socionet (Russian)
• SPZ (Russian)
• Q-Sensei (Germany)
• Open J-Gate
• CiteULike
• Citefactor
• PAS