@article{DBLP:journals/mst/HarkinsH11,
author = {Ryan C. Harkins and
John M. Hitchcock},
title = {Dimension, Halfspaces, and the Density of Hard Sets},
journal = {Theory Comput. Syst.},
volume = {49},
number = {3},
year = {2011},
pages = {601-614},
ee = {http://dx.doi.org/10.1007/s00224-010-9288-1},
bibsource = {DBLP, http://dblp.uni-trier.de}
}