David Dobkin and Diane Souvaine.
"Detecting the interection of convex objects in the plane."
8(3):181-200, December 1991.

@article{Dobkin:1991:DTI,
   author = "David Dobkin and Diane Souvaine",
   title = "Detecting the interection of convex objects in the plane",
   journal = "",
   year = "1991",
   month = dec,
   volume = "8",
   number = "3",
   pages = "181--200"
}