@inbook {,
	title = {How Many Steiner Terminals Can You Connect in 20 Years?},
	booktitle = {Facets of Combinatorial Optimization},
	year = {2013},
	pages = {215-244},
	publisher = {Springer},
	organization = {Springer},
	issn = {978-3-642-38189-8},
	author = {Bornd{\"o}rfer, Ralf and Hoang, Nam Dung and Karbstein, Marika and Koch, Thorsten and Martin, Alexander}
}
