There are several indexing databases in the world. It’s somehow difficult to select only one, since some of them only index journal and conference papers, other index also books and chapters in books and yet others also index other forms of scientific publications. Since the real impact of our scientific work can be measure with several indicators (number of citations, h-index, h10-index, i-10 index, highly-influential-citations, number of paper/book downloads, number of copies sold, etc., but also the impact on industry and society), I list bellow several of the databases that index my R&D work: