The Citing articles tool gives a list of articles citing the current article. The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).
The first source counts at 18 μm from the AKARI NEP Survey
Chris P. Pearson, S. Serjeant, S. Oyabu, et al. Monthly Notices of the Royal Astronomical Society 444(1) 846 (2014) https://doi.org/10.1093/mnras/stu1472
Detection of new point sources in WMAP cosmic microwave background maps at high Galactic latitude