• Web of Science Document search - Web of Science Core Collection

Databases from the Clarivate Analytics platform

• Science Citation Index Expanded – od 1945 r.
• Social Sciences Citation Index – od 1956 r.
• Arts & Humanities Citation Index – od 1975 r.
• Conference Proceedings Citation Index – od 1990 r.
• Book Citation Index – Science – od 2005 r.
• Book Citation Index – Social Sciences & Humanities – od 2005 r.
• Current Chemical Reactions – od 1985 r.
• Essential Science Indicators – od 2015 r.

From the Web of Science platform, you can go to the Master Journal List (journals on the Philadelphia list) and Journal Citation Reports (ranking of journal citability by Impact Factor).

• Scopus Scopus - Document search
• Google Scholar

Alternative databases (examples):

• BazTech
• ERIH PLUS
• DBLP Computer Science Bibliography
• MathSciNet (Mathematical Reviews)
• CEEOL - Central and Eastern European Online Library
• Astrophysics Data System
• BioMed Central
• CEJSH - The Central European Journal of Social Sciences and Humanities
• PLOS
• ACM Digital Library
• Espacenet