@techreport {TR-1976-001,
   type = {Technical Report},
   author = {Arthur Farley},
   title = {PSMON:  A Production System Monitor},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1976-001,
   year = 1976,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1976-001.pdf}},
}