title: All science journal classification (code and name) from pybliometrics, how to retrieve this info from the API
body: <p>I have a list of EIDs linked to Scopus authors ids,  I’ve been trying to retrieve the <strong>all science journal classification(code and name)</strong> from each article but I cannot find in the pybliometrics documentation the way to do it.
  I would appreciate some help about this!!</p>
  <p>Thanks!</p>