@ARTICLE{
       Author = {Bohn, R. and Braun, H. and claffy, k. and Wolff, S.}, 
       Title = {{Mitigating the coming Internet crunch: multiple service levels via Precedence}},
       Journal = {Journal of High Speed Networks}, 
       Volume = {3},
       Number = {4},
       Pages = {335-349},
       Month = {Nov},
       Year = {1994},
       Keywords = {policy}
}