<p>签约4年半<br/>=============================================================================<br/>Serbia right back Antonio Rukavina has joined German Bundesliga side Borussia<br/> Dortmund from Partizan Belgrade, the Serbian fisrt division leaders said<br/> on their Web site (<a href="http://www.partizan.co.yu">www.partizan.co.yu</a>).<br/></p><p>…………</p>