?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Tragler%2C+G.&rft.aulast=Tragler&rft.aufirst=G.&rft.date=1995&rft.issn=1613-9178&rft.atitle=Optimal+resource+exploitation+may+be+chaotic&rft.title=Central+European+Journal+of+Operations+Research&rft.pages=111-122&rft.genre=article