@techreport {TR-1991-012,
   type = {Technical Report},
   author = {Martin Feather,  Stephen Fickas,  Rob Helm},
   title = {Composite System Design:  the Good News and the Bad News},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1991-012,
   month = 5,
   year = 1991,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1991-012.pdf}},
}