• publisher: Urbana, Ill. : University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service
  • creator: Wilken, D. F University of Illinois at Urbana-Champaign. Cooperative Extension Service
  • contributor: Wilken, D. F. University of Illinois at Urbana-Champaign. Cooperative Extension Service.
  • Keyword: Agriculture Economic aspects Illinois.
  • years: [1983].
  • pages: 35 p. :
  • notes: Cover title.
  • download: pdf file