DSpace at My University: <html> <body> <a href="https://elibrary.asabe.org/azdez.asp?JID=3&AID=27880&CID=t1995&v=38&i=3&T=1&redirType=toc_journals.asp&conf=t">Mathematical Modeling and Computer-aided Design of Passive Tillage Tools</a> </body> </html>