@techreport {TR-1991-001,
   type = {Technical Report},
   author = {E.Tick, P. Adamson},
   title = {Partitioned Graph-Search Algorithms},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1991-001,
   month = 7,
   year = 1992,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1991-001.pdf}},
}