TY - JOUR AU - Francesc Comellas AU - J. Luis A. Yebra TI - New lower bounds for Heilbronn numbers JO - The electronic journal of combinatorics PY - 2002 VL - 9 UR - http://geodesic.mathdoc.fr/articles/10.37236/1623/ DO - 10.37236/1623 ID - 10_37236_1623 ER -