?url_ver=Z39.88-2004&rft_id=10.1002%2Fbs.3830240306&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.issue=3&rft.volume=24&rft.date=1979&rft.issn=00057940&rft.atitle=A+utility+function+for+time+streams+having+interperiod+dependencies&rft.title=Behavioral+Science&rft.pages=208-213&rft.genre=article