%0 Journal Article %A Muhuo Liu %T On the Laplacian spread of trees and unicyclic graphs %J Kragujevac Journal of Mathematics %D 2010 %P 151 - 159 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a13/ %F KJM_2010_34_1_a13