Abstracting and Indexing
AGRICOLA
Astrophysics Data System (ADS)
Baidu
CLOCKSS
CNKI
CNPIEC
Chinese Science Citation Database
Current Contents/Agriculture, Biology & Environmental Sciences
Dimensions
EBSCO
EMBiology
Engineering Village – GEOBASE
Google Scholar
Naver
OCLC WorldCat Discovery Service
Portico
ProQuest
SCImago
SCOPUS
Science Citation Index Expanded (SCIE)
Semantic Scholar
TD Net Discovery Service
Wanfang
eLibrary.ru