@techreport {TR-1985-011,
   type = {Technical Report},
   author = {Cathryn Stanford, Edward Bowden, David Locke, Sarah Douglas},
   title = {Orthogonality in the Design of Command Languages},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1985-011,
   year = 1985,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1985-011.pdf}},
}