Kamalika Chaudhuri Satish Rao Samantha Riesenfeld Kunal Talwar What Would Edmonds Do? Augmenting Paths and Witnesses for Degree-Bounded MSTs. 26-39 2005 conf/approx/2005 APPROX-RANDOM http://dx.doi.org/10.1007/11538462_3 db/conf/approx/approx2005.html#ChaudhuriRRT05