@techreport {TR-1985-010,
   type = {Technical Report},
   author = {Stephen Fickas, David Novick, and Rob Reesor },
   title = {An Environment for Building Rule-Based Systems:  An Overview},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1985-010,
   year = 1985,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1985-010.pdf}},
}