Media type: E-Article Title: Two-level rectilinear Steiner trees Contributor: Held, Stephan; Kämmerling, Nicolas Published: Elsevier BV, 2017 Published in: Computational Geometry, 61 (2017), Seite 48-59 Language: English DOI: 10.1016/j.comgeo.2016.11.002 ISSN: 0925-7721 Origination: Footnote: Access State: Open Access