@article{compref346,
   author = {Winograd,S},
   year = {1963},
   title = {Redundancy and Complexity of Logical Elements},
   journal = {Information and Control},
   volume = {5},
   pages = {177-194}
}

@book{compref64,
   author = {Bunge,M},
   year = {1963},
   title = {The Myth of Simplicity},
   publisher = {Prentice-Hall},
   address = {Englewood Cliffs}
}