There are many so-called publishers with questionable intentions, who try to approach authors by email, for example, and who are only interested in receiving article processing charges and do not invest in the quality of their publication’s content. The names of many predatory journals resemble the names of well-known publications by large publishing houses. In addition to this, the appearance of the publication may be similar to the visual appearance of a credible science publisher or scientific journal, even with regard to their logos, names of researchers and ISSN codes of journals. SHERPA/RoMEO = The site features all the basic information about the parallel publishing rights of publishers and individual journals. The site is a good tool for finding out if an article published in an international science journal, for example, can be parallel published and with what terms. SHERPA/RoMEO site mostly features information from foreign publishers and journals.