@article{gstvw-olp-03
, author =      "B. G{\"a}rtner and J{\'o}zsef Solymosi and F. Tschirschnitz and P. Valtr and E. Welzl"
, title =       "One line and $n$ points"
, journal =     "Random Structures \& Algorithms" 
, volume =      "23"
, number =      "4"
, year =        "2003 (preliminary version at STOC 2001)"
, pages =       "453--471"
}