@techreport {TR-1987-004,
   type = {Technical Report},
   author = {Stephen Fickas, Sharon Collins, Susan Olivier },
   title = {Problem Acquisition in Software Analysis:  A Preliminary Study},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1987-004,
   month = 1,
   year = 1988,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1987-004.pdf}},
}