@techreport {TR-1999-003,
   type = {Technical Report},
   author = {Arthur Farley, Andrzej Proskurowski, Kurt Windisch},
   title = {Spanners and Message Distribution in Networks},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1999-003,
   month = 2,
   year = 1999,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1999-003.pdf}},
}