%0 Journal Article %A A. Aflaki %A S. Akbari %A K.J. Edwards %A D.S. Eskandani %A M. Jamaali %A H. Ravanbod %T On harmonious colouring of trees %J The electronic journal of combinatorics %D 2012 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/9/ %R 10.37236/9 %F 10_37236_9