%0 Journal Article %A Kim, Seog-Jim %A West, Douglas %T Triangle-free planar graphs with minimum degree 3 have radius at least 3 %J Discussiones Mathematicae. Graph Theory %D 2008 %P 563-566 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2008_28_3_a14/ %G en %F DMGT_2008_28_3_a14