@mastersthesis{putz_07,
 address = {Vienna, Austria},
 author = {Peter Putz},
 keywords = {hybrid, netdesign},
 month = {October},
 note = {supervised by G.~Raidl},
 school = {Vienna University of Technology, Institute of Computer Graphics and Algorithms},
 title = {Subgradient Optimization Based {L}agrangian Relaxation and Relax-and-Cut Approaches for the Bounded Diameter Minimum Spanning Tree Problem},
 url = {https://www.ac.tuwien.ac.at/files/pub/putz_07.pdf},
 year = {2007}
}