本来可以通过学校图书馆订购的，要到9月份才能看到文献，可是最近急需这篇文献，希望热心人能够帮帮忙，非常感谢！

ELEVELD, BARTELT (1979). THE IMPACT OF INCREASING INPUT PRICES ON THE U.S. FARM SECTOR: A DYNAMIC SIMULATION APPROACH. Ph.D. dissertation, Texas A&M University, United States -- Texas. Retrieved May 17, 2009, from Dissertations & Theses: The Humanities and Social Sciences Collection database. (Publication No. AAT 8011945).