IN LUCRU...
American Institute of Physics Journals
Cambridge Journals
Institute of Physics Journals
Oxford Journals
SpringerLink Journals
Wiley Journals
Scopus, Elsevier
American Physical Society – APS ALL
IEEE/IEL Electronic Library (IEL)
MathSciNet
ScienceDirect Freedom Collection
Clarivate Analytics(ISI Thomson Reuters) Web of Science
Science – AAAS (American Association for Advancement of Science)