@article{g-ealccslp-99
, author =	"B. G{\"a}rtner"
, title =	"Exact Arithmetic at Low Cost -- A Case Study in Linear Programming"
, journal =	"Computational Geometry - Theory and Applications"
, volume =      "13"
, year =	"1999 (preliminary version at SODA'98)"
, pages =	"121--139"
}