Anand Srivastav Sören Werth Probabilistic Analysis of the Degree Bounded Minimum Spanning Tree Problem. 497-507 2007 conf/fsttcs/2007 FSTTCS http://dx.doi.org/10.1007/978-3-540-77050-3_41 db/conf/fsttcs/fsttcs2007.html#SrivastavW07