%0 Journal Article
%A Padmini Mukkamala
%A János Pach
%A Dömötör Pálvölgyi
%T Lower bounds on the obstacle number of graphs
%J The electronic journal of combinatorics
%D 2012
%V 19
%N 2
%U http://geodesic.mathdoc.fr/articles/10.37236/2380/
%R 10.37236/2380
%F 10_37236_2380