@Article{,
author = { Vesna Andova and Darko Dimitrov and Boris Furtula and Ivan Gutman and Damir Vukicevic },
title = { Some Observations on Comparing Zagreb Indices },
journal = { MATCH Communications in Mathematical and in Computer Chemistry },
year = { 2011 },
volume = { 66 },
number = { 2 },
pages = { 627--645 },
}
