@techreport {TR-1994-019,
   type = {Technical Report},
   author = {Kathleen Freeman},
   title = {Toward Formalizing Dialectical Argumentation},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1994-019,
   month = 8,
   year = 1994,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1994-019.pdf}},
}