?url_ver=Z39.88-2004&rft_id=10.1111%2Frisa.12761&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gaupp%2C+F.&rft.aulast=Gaupp&rft.aufirst=F.&rft.issue=11&rft.volume=37&rft.date=November+2017&rft.issn=0272-4332&rft.atitle=Dependency+of+Crop+Production+between+Global+Breadbaskets%3A+A+Copula+Approach+for+the+Assessment+of+Global+and+Regional+Risk+Pools&rft.title=Risk+Analysis&rft.pages=2212-2228&rft.genre=article