„Vergaberätsel-Lösung“

https://biblioscout.net/?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=vil&rft.atitle=%E2%80%9EVergaber%C3%A4tsel-L%C3%B6sung%E2%80%9C&rft.volume=2013&rft.issue=5&rft.spage=15&rft.epage=15&rft_id=info:doi/10.33196/vil201305001501