%0 Journal Article %A Francesc Comellas %A J. Luis A. Yebra %T New lower bounds for Heilbronn numbers %J The electronic journal of combinatorics %D 2002 %V 9 %U http://geodesic.mathdoc.fr/articles/10.37236/1623/ %R 10.37236/1623 %F 10_37236_1623