?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Ptitsin&rft.aufirst=Andrei+Nikolaevich&rft.au=+Ptitsin+Andrei+Nikolaevich&rft.volume=13&rft.issn=1789-6339&rft.pages=547-554&rft.title=K%C3%B6z%C3%A9p-eur%C3%B3pai+k%C3%B6zlem%C3%A9nyek&rft.atitle=Austro-Hungarian+entrepreneurs+in+Russia+in+the+conditions+of+the+first+World+War&rft.date=2020&rft.issue=1-2&rft.genre=article