@article{GDZPPN000365122,
title = {Almost Tight Bounds for e-Nets.},
journal = {Discrete \& computational geometry},
volume = {7},
year = {1992},
pages = {163-174},
zbl = {0765.68209},
url = {http://dml.mathdoc.fr/item/GDZPPN000365122}
}
Woeginger, G.; Komlós, J.; Pach, J. Almost Tight Bounds for e-Nets.. Discrete & computational geometry, Tome 7 (1992) pp. 163-174. http://gdmltest.u-ga.fr/item/GDZPPN000365122/