@article{DCG_1994__12_1_131332,
     author = {H. Edelsbrunner and T.K. Dey},
     title = {Counting {Triangle} {Crossings} and {Halving} {Planes.}},
     journal = {Discrete & computational geometry},
     pages = {281--290},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1994},
     zbl = {0819.68135},
     url = {http://geodesic.mathdoc.fr/item/DCG_1994__12_1_131332/}
}