query: # Publications from Leibniz Institute for Polymerforschung (via its Employers)
  SELECT ?item ?itemLabel (COUNT(DISTINCT ?citedby) as ?count) WHERE {
    ?citedby wdt:P2860 ?item.
       ?item wdt:P31 wd:Q13442814.
       ?item wdt:P50 ?author.
       ?author wdt:P108 wd:Q1739877.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  } GROUP BY ?item ?itemLabel ORDER BY DESC (?count)