@techreport {TR-1989-017,
   type = {Technical Report},
   author = {Andrzej Proskurowski},
   title = {Maximal graphs of path-width k or searching a partial k-caterpillar },
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1989-017,
   month = 11,
   year = 1989,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1989-017.pdf}},
}