The number of citations of IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control per year. The percentile is given for the sake of comparison with the literature.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.
