%0 Journal Article %T Oscillation criteria for fourth-order nonlinear delay dynamic equations %A Yunsong Qi %A Jinwei Yu %J Electronic Journal of Differential Equations %D 2013 %I Texas State University %X We obtain criteria for the oscillation of all solutions to a fourth-order nonlinear delay dynamic equation on a time scale that is unbounded from above. The results obtained are illustrated with examples %K Oscillatory solution %K delay dynamic equation %K fourth-order %K time scale %U http://ejde.math.txstate.edu/Volumes/2013/79/abstr.html